First published: Wed Mar 16 2022(Updated: )
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
Credit: secalert@redhat.com secalert@redhat.com
Affected Software | Affected Version | How to fix |
---|---|---|
redhat/kernel-rt | <0:4.18.0-372.19.1.rt7.176.el8_6 | 0:4.18.0-372.19.1.rt7.176.el8_6 |
redhat/kernel | <0:4.18.0-372.19.1.el8_6 | 0:4.18.0-372.19.1.el8_6 |
redhat/kernel | <0:4.18.0-147.70.1.el8_1 | 0:4.18.0-147.70.1.el8_1 |
redhat/kernel-rt | <0:4.18.0-193.87.1.rt13.137.el8_2 | 0:4.18.0-193.87.1.rt13.137.el8_2 |
redhat/kernel | <0:4.18.0-193.87.1.el8_2 | 0:4.18.0-193.87.1.el8_2 |
redhat/kernel-rt | <0:4.18.0-305.57.1.rt7.129.el8_4 | 0:4.18.0-305.57.1.rt7.129.el8_4 |
redhat/kernel | <0:4.18.0-305.57.1.el8_4 | 0:4.18.0-305.57.1.el8_4 |
redhat/kernel | <0:5.14.0-70.17.1.el9_0 | 0:5.14.0-70.17.1.el9_0 |
redhat/kernel-rt | <0:5.14.0-70.17.1.rt21.89.el9_0 | 0:5.14.0-70.17.1.rt21.89.el9_0 |
Linux Linux kernel | <5.18 | |
Linux Linux kernel | =5.18 | |
Linux Linux kernel | =5.18-rc1 | |
Linux Linux kernel | =5.18-rc2 | |
Linux Linux kernel | =5.18-rc3 | |
Linux Linux kernel | =5.18-rc4 | |
Linux Linux kernel | =5.18-rc5 | |
redhat/kernel | <5.18 | 5.18 |
ubuntu/linux | <4.15.0-194.205 | 4.15.0-194.205 |
ubuntu/linux | <5.4.0-126.142 | 5.4.0-126.142 |
ubuntu/linux | <5.15.0-47.51 | 5.15.0-47.51 |
ubuntu/linux | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws | <4.15.0-1142.154 | 4.15.0-1142.154 |
ubuntu/linux-aws | <5.4.0-1085.92 | 5.4.0-1085.92 |
ubuntu/linux-aws | <5.15.0-1019.23 | 5.15.0-1019.23 |
ubuntu/linux-aws | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.0 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.15 | <5.15.0-1019.23~20.04.1 | 5.15.0-1019.23~20.04.1 |
ubuntu/linux-aws-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.4 | <5.4.0-1085.92~18.04.1 | 5.4.0-1085.92~18.04.1 |
ubuntu/linux-aws-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-5.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-fips | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-hwe | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-aws-hwe | <4.15.0-1142.154~16.04.1 | 4.15.0-1142.154~16.04.1 |
ubuntu/linux-azure | <5.4.0-1091.96 | 5.4.0-1091.96 |
ubuntu/linux-azure | <5.15.0-1019.24 | 5.15.0-1019.24 |
ubuntu/linux-azure | <4.15.0-1153.168~14.04.1 | 4.15.0-1153.168~14.04.1 |
ubuntu/linux-azure | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure | <4.15.0-1153.168~16.04.1 | 4.15.0-1153.168~16.04.1 |
ubuntu/linux-azure-4.15 | <4.15.0-1153.168 | 4.15.0-1153.168 |
ubuntu/linux-azure-4.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-5.15 | <5.15.0-1019.24~20.04.1 | 5.15.0-1019.24~20.04.1 |
ubuntu/linux-azure-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-5.4 | <5.4.0-1091.96~18.04.1 | 5.4.0-1091.96~18.04.1 |
ubuntu/linux-azure-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-edge | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-fde | <5.4.0-1091.96 | 5.4.0-1091.96 |
ubuntu/linux-azure-fde | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-fde-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-azure-fips | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-bluefield | <5.4.0-1046.51 | 5.4.0-1046.51 |
ubuntu/linux-bluefield | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-dell300x | <4.15.0-1054.59 | 4.15.0-1054.59 |
ubuntu/linux-dell300x | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-fips | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp | <5.4.0-1089.97 | 5.4.0-1089.97 |
ubuntu/linux-gcp | <5.15.0-1017.23 | 5.15.0-1017.23 |
ubuntu/linux-gcp | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp | <4.15.0-1137.153~16.04.1 | 4.15.0-1137.153~16.04.1 |
ubuntu/linux-gcp-4.15 | <4.15.0-1137.153 | 4.15.0-1137.153 |
ubuntu/linux-gcp-4.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-5.15 | <5.15.0-1017.23~20.04.2 | 5.15.0-1017.23~20.04.2 |
ubuntu/linux-gcp-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-5.4 | <5.4.0-1089.97~18.04.1 | 5.4.0-1089.97~18.04.1 |
ubuntu/linux-gcp-5.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gcp-fips | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke | <5.4.0-1083.89 | 5.4.0-1083.89 |
ubuntu/linux-gke | <5.15.0-1015.18 | 5.15.0-1015.18 |
ubuntu/linux-gke | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke-4.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke-5.0 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke-5.15 | <5.15.0-1015.18~20.04.1 | 5.15.0-1015.18~20.04.1 |
ubuntu/linux-gke-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gke-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gkeop | <5.4.0-1053.56 | 5.4.0-1053.56 |
ubuntu/linux-gkeop | <5.15.0-1002.4 | 5.15.0-1002.4 |
ubuntu/linux-gkeop | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gkeop-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-gkeop-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe | <4.15.0-194.205~16.04.1 | 4.15.0-194.205~16.04.1 |
ubuntu/linux-hwe-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-5.15 | <5.15.0-48.54~20.04.1 | 5.15.0-48.54~20.04.1 |
ubuntu/linux-hwe-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-5.4 | <5.4.0-126.142~18.04.1 | 5.4.0-126.142~18.04.1 |
ubuntu/linux-hwe-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-5.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-hwe-edge | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-ibm | <5.4.0-1033.37 | 5.4.0-1033.37 |
ubuntu/linux-ibm | <5.15.0-1013.15 | 5.15.0-1013.15 |
ubuntu/linux-ibm | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-ibm-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-ibm-5.4 | <5.4.0-1033.37~18.04.1 | 5.4.0-1033.37~18.04.1 |
ubuntu/linux-ibm-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-intel | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-intel-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-intel-iotg | <5.15.0-1013.17 | 5.15.0-1013.17 |
ubuntu/linux-intel-iotg | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-intel-iotg-5.15 | <5.15.0-1015.20~20.04.2 | 5.15.0-1015.20~20.04.2 |
ubuntu/linux-intel-iotg-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-iot | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-kvm | <4.15.0-1128.133 | 4.15.0-1128.133 |
ubuntu/linux-kvm | <5.4.0-1075.80 | 5.4.0-1075.80 |
ubuntu/linux-kvm | <5.15.0-1017.21 | 5.15.0-1017.21 |
ubuntu/linux-kvm | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-laptop | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-lowlatency | <5.15.0-47.53 | 5.15.0-47.53 |
ubuntu/linux-lowlatency | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-48.54~20.04.1 | 5.15.0-48.54~20.04.1 |
ubuntu/linux-lowlatency-hwe-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-lowlatency-hwe-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-lts-xenial | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-nvidia | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-nvidia-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-nvidia-6.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-nvidia-lowlatency | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-5.10 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-5.14 | <5.14.0-1044.49 | 5.14.0-1044.49 |
ubuntu/linux-oem-5.17 | <5.17.0-1011.12 | 5.17.0-1011.12 |
ubuntu/linux-oem-5.17 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-5.6 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-6.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oem-osp1 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle | <4.15.0-1107.118 | 4.15.0-1107.118 |
ubuntu/linux-oracle | <5.4.0-1083.91 | 5.4.0-1083.91 |
ubuntu/linux-oracle | <5.15.0-1017.22 | 5.15.0-1017.22 |
ubuntu/linux-oracle | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle | <4.15.0-1107.118~16.04.1 | 4.15.0-1107.118~16.04.1 |
ubuntu/linux-oracle-5.0 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle-5.13 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-oracle-5.4 | <5.4.0-1083.91~18.04.1 | 5.4.0-1083.91~18.04.1 |
ubuntu/linux-oracle-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-raspi | <5.4.0-1070.80 | 5.4.0-1070.80 |
ubuntu/linux-raspi | <5.15.0-1014.16 | 5.15.0-1014.16 |
ubuntu/linux-raspi | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-raspi-5.4 | <5.4.0-1070.80~18.04.1 | 5.4.0-1070.80~18.04.1 |
ubuntu/linux-raspi-5.4 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-raspi2 | <4.15.0-1120.128 | 4.15.0-1120.128 |
ubuntu/linux-raspi2 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-raspi2-5.3 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-riscv | <5.15.0-1018.21 | 5.15.0-1018.21 |
ubuntu/linux-riscv | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-riscv-5.11 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-riscv-5.15 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-riscv-5.8 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-riscv-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-snapdragon | <4.15.0-1138.148 | 4.15.0-1138.148 |
ubuntu/linux-snapdragon | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-starfive | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-starfive-6.5 | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
ubuntu/linux-xilinx-zynqmp | <5.18~<5.4.201<5.15.41 | 5.18~ 5.4.201 5.15.41 |
debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.12-1 6.10.3-1 |
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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