CVE-2026-53131: netfilter: require Ethernet MAC header before using eth_hdr()

Published Jun 25, 2026
ยท
Updated

In the Linux kernel, the following vulnerability has been resolved:

Affected Software

288 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.143.1-1
debian/linux
6.1.176-16.1.187-16.12.107-16.12.111-17.2.9-17.2.10-1
IBM QRadar<=7.6.0.0 - 7.6.0.4
IBM QRadar<=7.5.0 - 7.5.0 UP16 IF01
Linux Linux kernel>=2.6.12.1<5.15.210
Linux Linux kernel>=5.16<6.1.176
Linux Linux kernel>=6.2<6.6.143
Linux Linux kernel>=6.7<6.12.94
Linux Linux kernel>=6.13<6.18.36
Linux Linux kernel>=6.19<7.0.13
Linux Linux kernel=2.6.12
Linux Linux kernel=2.6.12-rc2
Linux Linux kernel=2.6.12-rc3
Linux Linux kernel=2.6.12-rc4
Linux Linux kernel=2.6.12-rc5
linux/kernel>=2.6.12<5.15.210
5.15.210
linux/kernel>=5.16.0<6.1.176
6.1.176
linux/kernel>=6.2.0<6.6.143
6.6.143
linux/kernel>=6.7.0<6.12.94
6.12.94
linux/kernel>=6.13.0<6.18.36
6.18.36
linux/kernel>=6.19.0<7.0.13
7.0.13
ubuntu/linux<3.13.0-218.269
3.13.0-218.269
ubuntu/linux-aws<4.4.0-1159.165
4.4.0-1159.165
ubuntu/linux-azure<4.15.0-1207.222~14.04.1
4.15.0-1207.222~14.04.1
ubuntu/linux-lts-xenial<4.4.0-288.322~14.04.1
4.4.0-288.322~14.04.1
ubuntu/linux<4.4.0-288.322
4.4.0-288.322
ubuntu/linux-aws<4.4.0-1197.212
4.4.0-1197.212
ubuntu/linux-aws-hwe<4.15.0-1197.210~16.04.1
4.15.0-1197.210~16.04.1
ubuntu/linux-azure<4.15.0-1208.223~16.04.1
4.15.0-1208.223~16.04.1
ubuntu/linux-gcp<4.15.0-1190.207~16.04.1
4.15.0-1190.207~16.04.1
ubuntu/linux-hwe<4.15.0-260.272~16.04.2
4.15.0-260.272~16.04.2
ubuntu/linux-hwe-edge*
ubuntu/linux-kvm<4.4.0-1160.171
4.4.0-1160.171
ubuntu/linux-oracle<4.15.0-1160.171~16.04.1
4.15.0-1160.171~16.04.1
ubuntu/linux-fips<4.4.0-1129.136
4.4.0-1129.136
ubuntu/linux-fips*
ubuntu/linux<4.15.0-260.272
4.15.0-260.272
ubuntu/linux-aws<4.15.0-1197.210
4.15.0-1197.210
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-aws-5.4<5.4.0-1165.176~18.04.1
5.4.0-1165.176~18.04.1
ubuntu/linux-azure*
ubuntu/linux-azure-4.15<4.15.0-1207.222
4.15.0-1207.222
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-5.4<5.4.0-1169.175~18.04.1
5.4.0-1169.175~18.04.1
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-4.15<4.15.0-1190.207
4.15.0-1190.207
ubuntu/linux-gcp-5.3*
ubuntu/linux-gcp-5.4<5.4.0-1167.176~18.04.1
5.4.0-1167.176~18.04.1
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-5.4<5.4.0-241.261~18.04.1
5.4.0-241.261~18.04.1
ubuntu/linux-hwe-edge*
ubuntu/linux-ibm-5.4<5.4.0-1111.116~18.04.1
5.4.0-1111.116~18.04.1
ubuntu/linux-kvm<4.15.0-1179.184
4.15.0-1179.184
ubuntu/linux-oem*
ubuntu/linux-oracle<4.15.0-1160.171
4.15.0-1160.171
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-oracle-5.4<5.4.0-1162.172~18.04.1
5.4.0-1162.172~18.04.1
ubuntu/linux-raspi-5.4<5.4.0-1147.160~18.04.1
5.4.0-1147.160~18.04.1
ubuntu/linux-aws-fips<4.15.0-2135.141
4.15.0-2135.141
ubuntu/linux-azure-fips<4.15.0-2115.121
4.15.0-2115.121
ubuntu/linux-fips<4.15.0-1152.164
4.15.0-1152.164
ubuntu/linux-gcp-fips<4.15.0-2098.104
4.15.0-2098.104
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.4.0-241.261
5.4.0-241.261
ubuntu/linux-aws<5.4.0-1164.175
5.4.0-1164.175
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.15<5.15.0-1115.122~20.04.1
5.15.0-1115.122~20.04.1
ubuntu/linux-aws-5.8*
ubuntu/linux-azure<5.4.0-1169.175
5.4.0-1169.175
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.15<5.15.0-1121.130~20.04.1
5.15.0-1121.130~20.04.1
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-azure-fde-5.15<5.15.0-1120.129~20.04.1
5.15.0-1120.129~20.04.1
ubuntu/linux-bluefield<5.4.0-1123.130
5.4.0-1123.130
ubuntu/linux-gcp<5.4.0-1167.177
5.4.0-1167.177
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.15<5.15.0-1118.128~20.04.1
5.15.0-1118.128~20.04.1
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-gkeop*
ubuntu/linux-gkeop-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.15<5.15.0-191.201~20.04.1
5.15.0-191.201~20.04.1
ubuntu/linux-hwe-5.8*
ubuntu/linux-ibm<5.4.0-1111.116
5.4.0-1111.116
ubuntu/linux-ibm-5.15<5.15.0-1109.113~20.04.1
5.15.0-1109.113~20.04.1
ubuntu/linux-intel-5.13*
ubuntu/linux-intel-iotg-5.15<5.15.0-1110.116~20.04.1
5.15.0-1110.116~20.04.1
ubuntu/linux-iot<5.4.0-1068.71
5.4.0-1068.71
ubuntu/linux-kvm<5.4.0-1151.160
5.4.0-1151.160
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-191.201~20.04.1
5.15.0-191.201~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1067.69~20.04.1
5.15.0-1067.69~20.04.1
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle<5.4.0-1162.172
5.4.0-1162.172
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.15<5.15.0-1114.120~20.04.1
5.15.0-1114.120~20.04.1
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi<5.4.0-1147.160
5.4.0-1147.160
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.15<5.15.0-1109.113~20.04.1
5.15.0-1109.113~20.04.1
ubuntu/linux-riscv-5.8*
ubuntu/linux-xilinx-zynqmp<5.4.0-1082.86
5.4.0-1082.86
ubuntu/linux-aws-fips<5.4.0-1165.176+fips1
5.4.0-1165.176+fips1
ubuntu/linux-azure-fips<5.4.0-1170.176+fips1
5.4.0-1170.176+fips1
ubuntu/linux-fips<5.4.0-1138.148
5.4.0-1138.148
ubuntu/linux-gcp-fips<5.4.0-1167.176+fips1
5.4.0-1167.176+fips1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux<5.15.0-191.201
5.15.0-191.201
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1115.122
5.15.0-1115.122
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-aws-6.8<6.8.0-1065.68~22.04.1
6.8.0-1065.68~22.04.1
ubuntu/linux-azure<5.15.0-1121.130
5.15.0-1121.130
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-6.8<6.8.0-1068.76~22.04.1
6.8.0-1068.76~22.04.1
ubuntu/linux-azure-fde<5.15.0-1120.129
5.15.0-1120.129
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-azure-fde-6.8<6.8.0-1066.73~22.04.1
6.8.0-1066.73~22.04.1
ubuntu/linux-gcp<5.15.0-1115.125
5.15.0-1115.125
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gcp-6.8<6.8.0-1069.77~22.04.1
6.8.0-1069.77~22.04.1
ubuntu/linux-gke<5.15.0-1111.117
5.15.0-1111.117
ubuntu/linux-gkeop<5.15.0-1098.106
5.15.0-1098.106
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-ibm<5.15.0-1109.113
5.15.0-1109.113
ubuntu/linux-ibm-6.8<6.8.0-1066.67~22.04.1
6.8.0-1066.67~22.04.1
ubuntu/linux-intel-iot-realtime*
ubuntu/linux-intel-iotg<5.15.0-1110.116
5.15.0-1110.116
ubuntu/linux-kvm<5.15.0-1107.112
5.15.0-1107.112
ubuntu/linux-lowlatency<5.15.0-191.201
5.15.0-191.201
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-lowlatency-hwe-6.8<6.8.0-142.142.1~22.04.1
6.8.0-142.142.1~22.04.1
ubuntu/linux-nvidia<5.15.0-1110.111
5.15.0-1110.111
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-6.8<6.8.0-1063.66~22.04.1
6.8.0-1063.66~22.04.1
ubuntu/linux-nvidia-tegra<5.15.0-1067.69
5.15.0-1067.69
ubuntu/linux-nvidia-tegra-igx<5.15.0-1056.56
5.15.0-1056.56
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1112.118
5.15.0-1112.118
ubuntu/linux-oracle-6.5*
ubuntu/linux-oracle-6.8<6.8.0-1062.65~22.04.1
6.8.0-1062.65~22.04.1
ubuntu/linux-raspi<5.15.0-1110.113
5.15.0-1110.113
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-riscv-6.8<6.8.0-142.142~22.04.1
6.8.0-142.142~22.04.1
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-xilinx-zynqmp<5.15.0-1078.82
5.15.0-1078.82
ubuntu/linux-bluefield<5.15.0-1099.101
5.15.0-1099.101
ubuntu/linux-intel-iot-realtime<5.15.0-1107.109
5.15.0-1107.109
ubuntu/linux-realtime<5.15.0-1114.123
5.15.0-1114.123
ubuntu/linux-realtime-6.8<6.8.1-1060.61~22.04.1
6.8.1-1060.61~22.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips<5.15.0-1115.122+fips1
5.15.0-1115.122+fips1
ubuntu/linux-azure-fips<5.15.0-1121.130+fips1
5.15.0-1121.130+fips1
ubuntu/linux-fips<5.15.0-191.201+fips1
5.15.0-191.201+fips1
ubuntu/linux-gcp-fips<5.15.0-1115.125+fips1
5.15.0-1115.125+fips1
ubuntu/linux<6.8.0-142.142
6.8.0-142.142
ubuntu/linux-aws<6.8.0-1065.68
6.8.0-1065.68
ubuntu/linux-aws-6.14*
ubuntu/linux-aws-6.17*
ubuntu/linux-aws-7.0<7.0.0-1010.10~24.04.1
7.0.0-1010.10~24.04.1
ubuntu/linux-azure<6.8.0-1068.76
6.8.0-1068.76
ubuntu/linux-azure-6.11*
ubuntu/linux-azure-6.14*
ubuntu/linux-azure-6.17<6.17.0-1022.22
6.17.0-1022.22
ubuntu/linux-azure-7.0<7.0.0-1014.14~24.04.1
7.0.0-1014.14~24.04.1
ubuntu/linux-azure-fde<6.8.0-1066.73
6.8.0-1066.73
ubuntu/linux-azure-fde-6.14*
ubuntu/linux-azure-fde-6.17*
ubuntu/linux-azure-fde-7.0<7.0.0-1013.13~24.04.1
7.0.0-1013.13~24.04.1
ubuntu/linux-azure-nvidia*
ubuntu/linux-azure-nvidia-6.14*
ubuntu/linux-gcp<6.8.0-1069.77
6.8.0-1069.77
ubuntu/linux-gcp-6.11*
ubuntu/linux-gcp-6.14*
ubuntu/linux-gcp-6.17<6.17.0-1022.25
6.17.0-1022.25
ubuntu/linux-gcp-7.0<7.0.0-1011.11~24.04.1
7.0.0-1011.11~24.04.1
ubuntu/linux-gke<6.8.0-1064.72
6.8.0-1064.72
ubuntu/linux-gkeop<6.8.0-1050.54
6.8.0-1050.54
ubuntu/linux-hwe-6.11*
ubuntu/linux-hwe-6.14*
ubuntu/linux-hwe-6.17<6.17.0-42.42
6.17.0-42.42
ubuntu/linux-hwe-7.0<7.0.0-29.29~24.04.2
7.0.0-29.29~24.04.2
ubuntu/linux-ibm<6.8.0-1065.66
6.8.0-1065.66
ubuntu/linux-lowlatency<6.8.0-142.142.1
6.8.0-142.142.1
ubuntu/linux-lowlatency-hwe-6.11*
ubuntu/linux-nvidia<6.8.0-1063.66
6.8.0-1063.66
ubuntu/linux-nvidia-6.11*
ubuntu/linux-nvidia-6.17<6.17.0-1031.31
6.17.0-1031.31
ubuntu/linux-nvidia-7.0<7.0.0-1016.16~24.04.1
7.0.0-1016.16~24.04.1
ubuntu/linux-nvidia-lowlatency<6.8.0-1063.66.1
6.8.0-1063.66.1
ubuntu/linux-nvidia-tegra<6.8.0-1035.38
6.8.0-1035.38
ubuntu/linux-oem-6.11*
ubuntu/linux-oem-6.14*
ubuntu/linux-oem-6.17<6.17.0-1032.32
6.17.0-1032.32
ubuntu/linux-oem-6.8*
ubuntu/linux-oracle<6.8.0-1062.65
6.8.0-1062.65
ubuntu/linux-oracle-6.14*
ubuntu/linux-oracle-6.17<6.17.0-1020.20
6.17.0-1020.20
ubuntu/linux-oracle-7.0<7.0.0-1011.11~24.04.1
7.0.0-1011.11~24.04.1
ubuntu/linux-raspi<6.8.0-1065.69
6.8.0-1065.69
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-6.14*
ubuntu/linux-riscv-6.17*
ubuntu/linux-riscv-7.0<7.0.0-30.30.1~24.04.1
7.0.0-30.30.1~24.04.1
ubuntu/linux-vmware<6.8.0-1008.8
6.8.0-1008.8
ubuntu/linux-xilinx*
ubuntu/linux-bluefield<6.8.0-1031.36
6.8.0-1031.36
ubuntu/linux-raspi-realtime<6.8.0-2054.56
6.8.0-2054.56
ubuntu/linux-realtime<6.8.1-1060.61
6.8.1-1060.61
ubuntu/linux-realtime-6.14*
ubuntu/linux-realtime-6.17<6.17.0-1019.22
6.17.0-1019.22
ubuntu/linux-aws-fips<6.8.0-1065.68+fips1
6.8.0-1065.68+fips1
ubuntu/linux-azure-fips<6.8.0-1068.76+fips1
6.8.0-1068.76+fips1
ubuntu/linux-fips<6.8.0-142.142+fips1
6.8.0-142.142+fips1
ubuntu/linux-gcp-fips<6.8.0-1068.76+fips1
6.8.0-1068.76+fips1
ubuntu/linux*
ubuntu/linux-aws*
ubuntu/linux-azure*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp*
ubuntu/linux-oracle*
ubuntu/linux-raspi*
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux<7.0.0-29.29
7.0.0-29.29
ubuntu/linux-aws<7.0.0-1010.10
7.0.0-1010.10
ubuntu/linux-azure<7.0.0-1011.11
7.0.0-1011.11
ubuntu/linux-azure-fde<7.0.0-1010.10
7.0.0-1010.10
ubuntu/linux-gcp<7.0.0-1010.10
7.0.0-1010.10
ubuntu/linux-gke<7.0.0-1005.6
7.0.0-1005.6
ubuntu/linux-ibm<7.0.0-1011.11
7.0.0-1011.11
ubuntu/linux-nvidia<7.0.0-1016.16
7.0.0-1016.16
ubuntu/linux-nvidia-bos<7.0.0-2016.16
7.0.0-2016.16
ubuntu/linux-oem-7.0<7.0.0-1010.10
7.0.0-1010.10
ubuntu/linux-oracle<7.0.0-1009.9
7.0.0-1009.9
ubuntu/linux-raspi<7.0.0-1016.16
7.0.0-1016.16
ubuntu/linux-realtime<7.0.0-29.29.1
7.0.0-29.29.1
ubuntu/linux-riscv<7.0.0-29.29.1
7.0.0-29.29.1
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.176-1Fixed in 6.1.187-1Fixed in 6.12.107-1Fixed in 6.12.111-1Fixed in 7.2.9-1Fixed in 7.2.10-1
  2. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 5.15.210
  3. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 6.1.176
  4. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 6.6.143
  5. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 6.12.94
  6. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 6.18.36
  7. Upgrade

    Upgrade linux/Kernel to a version that resolves this vulnerability.

    Fixed in 7.0.13
  8. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 3.13.0-218.269
  9. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1159.165
  10. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1207.222~14.04.1
  11. Upgrade

    Upgrade ubuntu/linux-lts-xenial to a version that resolves this vulnerability.

    Fixed in 4.4.0-288.322~14.04.1
  12. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.4.0-288.322
  13. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.4.0-1197.212
  14. Upgrade

    Upgrade ubuntu/linux-aws-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-1197.210~16.04.1
  15. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 4.15.0-1208.223~16.04.1
  16. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 4.15.0-1190.207~16.04.1
  17. Upgrade

    Upgrade ubuntu/linux-hwe to a version that resolves this vulnerability.

    Fixed in 4.15.0-260.272~16.04.2
  18. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.4.0-1160.171
  19. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1160.171~16.04.1
  20. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.4.0-1129.136
  21. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 4.15.0-260.272
  22. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 4.15.0-1197.210
  23. Upgrade

    Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1165.176~18.04.1
  24. Upgrade

    Upgrade ubuntu/linux-azure-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1207.222
  25. Upgrade

    Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1169.175~18.04.1
  26. Upgrade

    Upgrade ubuntu/linux-gcp-4.15 to a version that resolves this vulnerability.

    Fixed in 4.15.0-1190.207
  27. Upgrade

    Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1167.176~18.04.1
  28. Upgrade

    Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-241.261~18.04.1
  29. Upgrade

    Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1111.116~18.04.1
  30. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 4.15.0-1179.184
  31. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 4.15.0-1160.171
  32. Upgrade

    Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1162.172~18.04.1
  33. Upgrade

    Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.

    Fixed in 5.4.0-1147.160~18.04.1
  34. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2135.141
  35. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2115.121
  36. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-1152.164
  37. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 4.15.0-2098.104
  38. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.4.0-241.261
  39. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.4.0-1164.175
  40. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1115.122~20.04.1
  41. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.4.0-1169.175
  42. Upgrade

    Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1121.130~20.04.1
  43. Upgrade

    Upgrade ubuntu/linux-azure-fde-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1120.129~20.04.1
  44. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.4.0-1123.130
  45. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1167.177
  46. Upgrade

    Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1118.128~20.04.1
  47. Upgrade

    Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-191.201~20.04.1
  48. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1111.116
  49. Upgrade

    Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1109.113~20.04.1
  50. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1110.116~20.04.1
  51. Upgrade

    Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.

    Fixed in 5.4.0-1068.71
  52. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.4.0-1151.160
  53. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-191.201~20.04.1
  54. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1067.69~20.04.1
  55. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.4.0-1162.172
  56. Upgrade

    Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1114.120~20.04.1
  57. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.4.0-1147.160
  58. Upgrade

    Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1109.113~20.04.1
  59. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.4.0-1082.86
  60. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1165.176+fips1
  61. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1170.176+fips1
  62. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1138.148
  63. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.4.0-1167.176+fips1
  64. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 5.15.0-191.201
  65. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 5.15.0-1115.122
  66. Upgrade

    Upgrade ubuntu/linux-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1065.68~22.04.1
  67. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 5.15.0-1121.130
  68. Upgrade

    Upgrade ubuntu/linux-azure-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1068.76~22.04.1
  69. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 5.15.0-1120.129
  70. Upgrade

    Upgrade ubuntu/linux-azure-fde-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.73~22.04.1
  71. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1115.125
  72. Upgrade

    Upgrade ubuntu/linux-gcp-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1069.77~22.04.1
  73. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 5.15.0-1111.117
  74. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 5.15.0-1098.106
  75. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1109.113
  76. Upgrade

    Upgrade ubuntu/linux-ibm-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.67~22.04.1
  77. Upgrade

    Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.

    Fixed in 5.15.0-1110.116
  78. Upgrade

    Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.

    Fixed in 5.15.0-1107.112
  79. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 5.15.0-191.201
  80. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-142.142.1~22.04.1
  81. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 5.15.0-1110.111
  82. Upgrade

    Upgrade ubuntu/linux-nvidia-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1063.66~22.04.1
  83. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.

    Fixed in 5.15.0-1067.69
  84. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-igx to a version that resolves this vulnerability.

    Fixed in 5.15.0-1056.56
  85. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 5.15.0-1112.118
  86. Upgrade

    Upgrade ubuntu/linux-oracle-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1062.65~22.04.1
  87. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 5.15.0-1110.113
  88. Upgrade

    Upgrade ubuntu/linux-riscv-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-142.142~22.04.1
  89. Upgrade

    Upgrade ubuntu/linux-xilinx-zynqmp to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.82
  90. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 5.15.0-1099.101
  91. Upgrade

    Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1107.109
  92. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1114.123
  93. Upgrade

    Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.1-1060.61~22.04.1
  94. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1115.122+fips1
  95. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1121.130+fips1
  96. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-191.201+fips1
  97. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 5.15.0-1115.125+fips1
  98. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 6.8.0-142.142
  99. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1065.68
  100. Upgrade

    Upgrade ubuntu/linux-aws-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1010.10~24.04.1
  101. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 6.8.0-1068.76
  102. Upgrade

    Upgrade ubuntu/linux-azure-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1022.22
  103. Upgrade

    Upgrade ubuntu/linux-azure-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1014.14~24.04.1
  104. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 6.8.0-1066.73
  105. Upgrade

    Upgrade ubuntu/linux-azure-fde-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1013.13~24.04.1
  106. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 6.8.0-1069.77
  107. Upgrade

    Upgrade ubuntu/linux-gcp-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1022.25
  108. Upgrade

    Upgrade ubuntu/linux-gcp-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1011.11~24.04.1
  109. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 6.8.0-1064.72
  110. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 6.8.0-1050.54
  111. Upgrade

    Upgrade ubuntu/linux-hwe-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-42.42
  112. Upgrade

    Upgrade ubuntu/linux-hwe-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-29.29~24.04.2
  113. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 6.8.0-1065.66
  114. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-142.142.1
  115. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 6.8.0-1063.66
  116. Upgrade

    Upgrade ubuntu/linux-nvidia-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1031.31
  117. Upgrade

    Upgrade ubuntu/linux-nvidia-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1016.16~24.04.1
  118. Upgrade

    Upgrade ubuntu/linux-nvidia-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-1063.66.1
  119. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.

    Fixed in 6.8.0-1035.38
  120. Upgrade

    Upgrade ubuntu/linux-oem-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1032.32
  121. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 6.8.0-1062.65
  122. Upgrade

    Upgrade ubuntu/linux-oracle-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1020.20
  123. Upgrade

    Upgrade ubuntu/linux-oracle-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1011.11~24.04.1
  124. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 6.8.0-1065.69
  125. Upgrade

    Upgrade ubuntu/linux-riscv-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-30.30.1~24.04.1
  126. Upgrade

    Upgrade ubuntu/linux-vmware to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.8
  127. Upgrade

    Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.

    Fixed in 6.8.0-1031.36
  128. Upgrade

    Upgrade ubuntu/linux-raspi-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.0-2054.56
  129. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.1-1060.61
  130. Upgrade

    Upgrade ubuntu/linux-realtime-6.17 to a version that resolves this vulnerability.

    Fixed in 6.17.0-1019.22
  131. Upgrade

    Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1065.68+fips1
  132. Upgrade

    Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1068.76+fips1
  133. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-142.142+fips1
  134. Upgrade

    Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-1068.76+fips1
  135. Upgrade

    Upgrade ubuntu/linux to a version that resolves this vulnerability.

    Fixed in 7.0.0-29.29
  136. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 7.0.0-1010.10
  137. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 7.0.0-1011.11
  138. Upgrade

    Upgrade ubuntu/linux-azure-fde to a version that resolves this vulnerability.

    Fixed in 7.0.0-1010.10
  139. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 7.0.0-1010.10
  140. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 7.0.0-1005.6
  141. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 7.0.0-1011.11
  142. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 7.0.0-1016.16
  143. Upgrade

    Upgrade ubuntu/linux-nvidia-bos to a version that resolves this vulnerability.

    Fixed in 7.0.0-2016.16
  144. Upgrade

    Upgrade ubuntu/linux-oem-7.0 to a version that resolves this vulnerability.

    Fixed in 7.0.0-1010.10
  145. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 7.0.0-1009.9
  146. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 7.0.0-1016.16
  147. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 7.0.0-29.29.1
  148. Upgrade

    Upgrade ubuntu/linux-riscv to a version that resolves this vulnerability.

    Fixed in 7.0.0-29.29.1

Event History

Jun 25, 2026
CVE Published
via MITREยท08:38 AM
Data Sourced
via MITREยท08:38 AM
DescriptionSeverity
Data Sourced
via OSVยท08:38 AM
DescriptionSeverityAffected Software
Event
via OSVยท09:16 AM
Data Sourced
via NVDยท09:16 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hatยท10:03 AM
DescriptionSeverityAffected Software
Jun 27, 2026
Data Sourced
via Microsoftยท08:10 AM
DescriptionSeverityWeaknessAffected Software
Oct 13, 2026
Data Sourced
via IBMยท12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2026-53131?

CVE-2026-53131 has a critical severity score of 9.4.

2

How do I fix CVE-2026-53131?

To fix CVE-2026-53131, apply the available patches for the Linux kernel.

3

What systems are affected by CVE-2026-53131?

CVE-2026-53131 affects the Linux kernel and Microsoft azl3 kernel version 6.6.143.1-1.

4

What does CVE-2026-53131 exploit?

CVE-2026-53131 exploits a failure to require an Ethernet MAC header before using eth_hdr() in netfilter.

5

When was CVE-2026-53131 published?

CVE-2026-53131 was published on June 25, 2026.

Company

Resources

Contact

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