CWE
667 362 476
Advisory 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
6.1.94-1
6.1.90-1
6.9.8-1
6.9.9-1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Reference Links

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203