CWE
667 362 476
Advisory Published
CVE Published
Updated

CVE-2022-4129: Race Condition

First published: Wed Aug 10 2022(Updated: )

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-477.10.1.rt7.274.el8_8
0:4.18.0-477.10.1.rt7.274.el8_8
redhat/kernel<0:4.18.0-477.10.1.el8_8
0:4.18.0-477.10.1.el8_8
redhat/kernel<0:5.14.0-284.11.1.el9_2
0:5.14.0-284.11.1.el9_2
redhat/kernel-rt<0:5.14.0-284.11.1.rt14.296.el9_2
0:5.14.0-284.11.1.rt14.296.el9_2
Linux Layer 2 Tunneling Protocol<6.0
Fedoraproject Fedora=35
Fedoraproject Fedora=36
Fedoraproject Fedora=37
ubuntu/linux<5.4.0-147.164
5.4.0-147.164
ubuntu/linux<5.15.0-70.77
5.15.0-70.77
ubuntu/linux<5.19.0-42.43
5.19.0-42.43
ubuntu/linux<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-allwinner<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-allwinner-5.19<5.19.0-1012.12~22.04.1
5.19.0-1012.12~22.04.1
ubuntu/linux-allwinner-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws<5.4.0-1100.108
5.4.0-1100.108
ubuntu/linux-aws<5.15.0-1034.38
5.15.0-1034.38
ubuntu/linux-aws<5.19.0-1025.26
5.19.0-1025.26
ubuntu/linux-aws<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-5.0<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-5.15<5.15.0-1034.38~20.04.1
5.15.0-1034.38~20.04.1
ubuntu/linux-aws-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-5.4<5.4.0-1100.108~18.04.1
5.4.0-1100.108~18.04.1
ubuntu/linux-aws-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-fips<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-aws-hwe<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure<5.4.0-1106.112
5.4.0-1106.112
ubuntu/linux-azure<5.15.0-1036.43
5.15.0-1036.43
ubuntu/linux-azure<5.19.0-1026.29
5.19.0-1026.29
ubuntu/linux-azure<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-4.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-5.15<5.15.0-1036.43~20.04.1
5.15.0-1036.43~20.04.1
ubuntu/linux-azure-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-5.19<5.19.0-1026.29~22.04.1
5.19.0-1026.29~22.04.1
ubuntu/linux-azure-5.4<5.4.0-1106.112~18.04.1
5.4.0-1106.112~18.04.1
ubuntu/linux-azure-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-edge<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-fde<5.4.0-1106.112
5.4.0-1106.112
ubuntu/linux-azure-fde<5.15.0-1036.43.1
5.15.0-1036.43.1
ubuntu/linux-azure-fde<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-fde-5.15<5.15.0-1036.43~20.04.1.1
5.15.0-1036.43~20.04.1.1
ubuntu/linux-azure-fde-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-fde-5.19<5.19.0-1026.29~22.04.1
5.19.0-1026.29~22.04.1
ubuntu/linux-azure-fde-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-azure-fips<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-bluefield<5.4.0-1062.68
5.4.0-1062.68
ubuntu/linux-bluefield<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-dell300x<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-fips<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp<5.4.0-1103.112
5.4.0-1103.112
ubuntu/linux-gcp<5.15.0-1032.40
5.15.0-1032.40
ubuntu/linux-gcp<5.19.0-1024.26
5.19.0-1024.26
ubuntu/linux-gcp<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-4.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-5.15<5.15.0-1032.40~20.04.1
5.15.0-1032.40~20.04.1
ubuntu/linux-gcp-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-5.19<5.19.0-1024.26~22.04.1
5.19.0-1024.26~22.04.1
ubuntu/linux-gcp-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-5.4<5.4.0-1103.112~18.04.1
5.4.0-1103.112~18.04.1
ubuntu/linux-gcp-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gcp-fips<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gke<5.4.0-1097.104
5.4.0-1097.104
ubuntu/linux-gke<5.15.0-1031.36
5.15.0-1031.36
ubuntu/linux-gke<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gke-4.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gke-5.0<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gke-5.15<5.15.0-1031.36~20.04.1
5.15.0-1031.36~20.04.1
ubuntu/linux-gke-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gke-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gkeop<5.4.0-1067.71
5.4.0-1067.71
ubuntu/linux-gkeop<5.15.0-1018.23
5.15.0-1018.23
ubuntu/linux-gkeop<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gkeop-5.15<5.15.0-1018.23~20.04.1
5.15.0-1018.23~20.04.1
ubuntu/linux-gkeop-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-gkeop-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-hwe<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-hwe-5.15<5.15.0-70.77~20.04.1
5.15.0-70.77~20.04.1
ubuntu/linux-hwe-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-hwe-5.19<5.19.0-42.43~22.04.1
5.19.0-42.43~22.04.1
ubuntu/linux-hwe-5.4<5.4.0-147.164~18.04.1
5.4.0-147.164~18.04.1
ubuntu/linux-hwe-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-hwe-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-hwe-edge<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-ibm<5.4.0-1047.52
5.4.0-1047.52
ubuntu/linux-ibm<5.15.0-1028.31
5.15.0-1028.31
ubuntu/linux-ibm<5.19.0-1022.24
5.19.0-1022.24
ubuntu/linux-ibm<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-ibm-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-ibm-5.4<5.4.0-1047.52~18.04.1
5.4.0-1047.52~18.04.1
ubuntu/linux-ibm-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-intel<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-intel-5.13<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-intel-iotg<5.15.0-1028.33
5.15.0-1028.33
ubuntu/linux-intel-iotg<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-intel-iotg-5.15<5.15.0-1030.35~20.04.1
5.15.0-1030.35~20.04.1
ubuntu/linux-intel-iotg-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-iot<5.4.0-1017.18
5.4.0-1017.18
ubuntu/linux-iot<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-kvm<5.4.0-1089.95
5.4.0-1089.95
ubuntu/linux-kvm<5.15.0-1031.36
5.15.0-1031.36
ubuntu/linux-kvm<5.19.0-1023.24
5.19.0-1023.24
ubuntu/linux-kvm<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-laptop<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-lowlatency<5.15.0-70.77
5.15.0-70.77
ubuntu/linux-lowlatency<5.19.0-1024.25
5.19.0-1024.25
ubuntu/linux-lowlatency<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-70.77~20.04.1
5.15.0-70.77~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-lowlatency-hwe-5.19<5.19.0-1024.25~22.04.1
5.19.0-1024.25~22.04.1
ubuntu/linux-lowlatency-hwe-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-lowlatency-hwe-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-lts-xenial<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-nvidia<5.15.0-1023.23
5.15.0-1023.23
ubuntu/linux-nvidia<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-nvidia-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-5.10<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-5.14<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-5.17<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-5.6<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-6.0<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-6.1<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-6.8<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oem-osp1<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle<5.4.0-1099.108
5.4.0-1099.108
ubuntu/linux-oracle<5.15.0-1033.39
5.15.0-1033.39
ubuntu/linux-oracle<5.19.0-1023.26
5.19.0-1023.26
ubuntu/linux-oracle<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle-5.0<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle-5.13<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle-5.15<5.15.0-1033.39~20.04.1
5.15.0-1033.39~20.04.1
ubuntu/linux-oracle-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle-5.4<5.4.0-1099.108~18.04.1
5.4.0-1099.108~18.04.1
ubuntu/linux-oracle-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-oracle-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-raspi<5.4.0-1083.94
5.4.0-1083.94
ubuntu/linux-raspi<5.15.0-1027.29
5.15.0-1027.29
ubuntu/linux-raspi<5.19.0-1018.25
5.19.0-1018.25
ubuntu/linux-raspi<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-raspi-5.4<5.4.0-1083.94~18.04.1
5.4.0-1083.94~18.04.1
ubuntu/linux-raspi-5.4<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-raspi2<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-riscv<5.19.0-1018.19
5.19.0-1018.19
ubuntu/linux-riscv<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-riscv-5.15<5.15.0-1031.35~20.04.1
5.15.0-1031.35~20.04.1
ubuntu/linux-riscv-5.15<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-riscv-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-snapdragon<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-starfive<6.2.0-1002.2
6.2.0-1002.2
ubuntu/linux-starfive<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-starfive-5.19<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-starfive-6.5<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
ubuntu/linux-xilinx-zynqmp<5.4.0-1024.28
5.4.0-1024.28
ubuntu/linux-xilinx-zynqmp<6.1~<5.4.231<5.15.91
6.1~
5.4.231
5.15.91
debian/linux
5.10.218-1
5.10.221-1
6.1.94-1
6.1.99-1
6.9.10-1
6.9.12-1

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