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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | alma-upgrade-bpftoolalma-upgrade-kernelalma-upgrade-kernel-64kalma-upgrade-kernel-64k-corealma-upgrade-kernel-64k-debugalma-upgrade-kernel-64k-debug-corealma-upgrade-kernel-64k-debug-develalma-upgrade-kernel-64k-debug-devel-matchedalma-upgrade-kernel-64k-debug-modulesalma-upgrade-kernel-64k-debug-modules-corealma-upgrade-kernel-64k-debug-modules-extraalma-upgrade-kernel-64k-develalma-upgrade-kernel-64k-devel-matchedalma-upgrade-kernel-64k-modulesalma-upgrade-kernel-64k-modules-corealma-upgrade-kernel-64k-modules-extraalma-upgrade-kernel-abi-stablelistsalma-upgrade-kernel-corealma-upgrade-kernel-cross-headersalma-upgrade-kernel-debugalma-upgrade-kernel-debug-corealma-upgrade-kernel-debug-develalma-upgrade-kernel-debug-devel-matchedalma-upgrade-kernel-debug-modulesalma-upgrade-kernel-debug-modules-corealma-upgrade-kernel-debug-modules-extraalma-upgrade-kernel-debug-uki-virtalma-upgrade-kernel-develalma-upgrade-kernel-devel-matchedalma-upgrade-kernel-docalma-upgrade-kernel-modulesalma-upgrade-kernel-modules-corealma-upgrade-kernel-modules-extraalma-upgrade-kernel-rtalma-upgrade-kernel-rt-corealma-upgrade-kernel-rt-debugalma-upgrade-kernel-rt-debug-corealma-upgrade-kernel-rt-debug-develalma-upgrade-kernel-rt-debug-kvmalma-upgrade-kernel-rt-debug-modulesalma-upgrade-kernel-rt-debug-modules-corealma-upgrade-kernel-rt-debug-modules-extraalma-upgrade-kernel-rt-develalma-upgrade-kernel-rt-kvmalma-upgrade-kernel-rt-modulesalma-upgrade-kernel-rt-modules-corealma-upgrade-kernel-rt-modules-extraalma-upgrade-kernel-toolsalma-upgrade-kernel-tools-libsalma-upgrade-kernel-tools-libs-develalma-upgrade-kernel-uki-virtalma-upgrade-kernel-zfcpdumpalma-upgrade-kernel-zfcpdump-corealma-upgrade-kernel-zfcpdump-develalma-upgrade-kernel-zfcpdump-devel-matchedalma-upgrade-kernel-zfcpdump-modulesalma-upgrade-kernel-zfcpdump-modules-corealma-upgrade-kernel-zfcpdump-modules-extraalma-upgrade-perfalma-upgrade-python3-perfalma-upgrade-rtla | May 15, 2023 | Nov 28, 2022 | |
| Amazon Linux Ami 2 | amazon-linux-ami-2-upgrade-bpftoolamazon-linux-ami-2-upgrade-bpftool-debuginfoamazon-linux-ami-2-upgrade-kernelamazon-linux-ami-2-upgrade-kernel-debuginfoamazon-linux-ami-2-upgrade-kernel-debuginfo-common-aarch64amazon-linux-ami-2-upgrade-kernel-debuginfo-common-x86_64amazon-linux-ami-2-upgrade-kernel-develamazon-linux-ami-2-upgrade-kernel-headersamazon-linux-ami-2-upgrade-kernel-livepatch-5-10-167-147-601amazon-linux-ami-2-upgrade-kernel-livepatch-5-15-93-55-139amazon-linux-ami-2-upgrade-kernel-toolsamazon-linux-ami-2-upgrade-kernel-tools-debuginfoamazon-linux-ami-2-upgrade-kernel-tools-develamazon-linux-ami-2-upgrade-perfamazon-linux-ami-2-upgrade-perf-debuginfoamazon-linux-ami-2-upgrade-python-perfamazon-linux-ami-2-upgrade-python-perf-debuginfo | Feb 24, 2023 | Nov 28, 2022 | |
| Centos_linux | — | centos-upgrade-kernelcentos-upgrade-kernel-rt | May 15, 2023 | Nov 28, 2022 |
| Debian | debian-upgrade-linux | May 1, 2023 | Nov 28, 2022 | |
| Huawei Euleros 2_0_sp10 | huawei-euleros-2_0_sp10-upgrade-kernelhuawei-euleros-2_0_sp10-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp10-upgrade-kernel-toolshuawei-euleros-2_0_sp10-upgrade-kernel-tools-libshuawei-euleros-2_0_sp10-upgrade-python3-perf | Feb 13, 2023 | Nov 28, 2022 | |
| Huawei Euleros 2_0_sp11 | huawei-euleros-2_0_sp11-upgrade-kernelhuawei-euleros-2_0_sp11-upgrade-kernel-abi-stablelistshuawei-euleros-2_0_sp11-upgrade-kernel-toolshuawei-euleros-2_0_sp11-upgrade-kernel-tools-libshuawei-euleros-2_0_sp11-upgrade-python3-perf | Mar 8, 2023 | Nov 28, 2022 | |
| Huawei Euleros 2_0_sp5 | huawei-euleros-2_0_sp5-upgrade-kernelhuawei-euleros-2_0_sp5-upgrade-kernel-develhuawei-euleros-2_0_sp5-upgrade-kernel-headershuawei-euleros-2_0_sp5-upgrade-kernel-toolshuawei-euleros-2_0_sp5-upgrade-kernel-tools-libshuawei-euleros-2_0_sp5-upgrade-perfhuawei-euleros-2_0_sp5-upgrade-python-perf | Jun 9, 2023 | Nov 28, 2022 | |
| Huawei Euleros 2_0_sp8 | huawei-euleros-2_0_sp8-upgrade-bpftoolhuawei-euleros-2_0_sp8-upgrade-kernelhuawei-euleros-2_0_sp8-upgrade-kernel-develhuawei-euleros-2_0_sp8-upgrade-kernel-headershuawei-euleros-2_0_sp8-upgrade-kernel-toolshuawei-euleros-2_0_sp8-upgrade-kernel-tools-libshuawei-euleros-2_0_sp8-upgrade-perfhuawei-euleros-2_0_sp8-upgrade-python-perfhuawei-euleros-2_0_sp8-upgrade-python3-perf | Feb 9, 2023 | Nov 28, 2022 | |
| Oracle_linux | — | oracle-linux-upgrade-kerneloracle-linux-upgrade-kernel-uek | Mar 17, 2023 | Aug 10, 2022 |
| Redhat_linux | redhat-upgrade-kernelredhat-upgrade-kernel-rt | May 15, 2023 | Nov 28, 2022 | |
| Suse | — | suse-upgrade-cluster-md-kmp-64kbsuse-upgrade-cluster-md-kmp-azuresuse-upgrade-cluster-md-kmp-defaultsuse-upgrade-cluster-md-kmp-preemptsuse-upgrade-cluster-md-kmp-rtsuse-upgrade-dlm-kmp-64kbsuse-upgrade-dlm-kmp-azuresuse-upgrade-dlm-kmp-defaultsuse-upgrade-dlm-kmp-preemptsuse-upgrade-dlm-kmp-rtsuse-upgrade-dtb-alsuse-upgrade-dtb-allwinnersuse-upgrade-dtb-alterasuse-upgrade-dtb-amazonsuse-upgrade-dtb-amdsuse-upgrade-dtb-amlogicsuse-upgrade-dtb-apmsuse-upgrade-dtb-applesuse-upgrade-dtb-armsuse-upgrade-dtb-broadcomsuse-upgrade-dtb-caviumsuse-upgrade-dtb-exynossuse-upgrade-dtb-freescalesuse-upgrade-dtb-hisiliconsuse-upgrade-dtb-lgsuse-upgrade-dtb-marvellsuse-upgrade-dtb-mediateksuse-upgrade-dtb-nvidiasuse-upgrade-dtb-qcomsuse-upgrade-dtb-renesassuse-upgrade-dtb-rockchipsuse-upgrade-dtb-socionextsuse-upgrade-dtb-sprdsuse-upgrade-dtb-xilinxsuse-upgrade-dtb-ztesuse-upgrade-gfs2-kmp-64kbsuse-upgrade-gfs2-kmp-azuresuse-upgrade-gfs2-kmp-defaultsuse-upgrade-gfs2-kmp-preemptsuse-upgrade-gfs2-kmp-rtsuse-upgrade-kernel-64kbsuse-upgrade-kernel-64kb-develsuse-upgrade-kernel-64kb-extrasuse-upgrade-kernel-64kb-livepatch-develsuse-upgrade-kernel-64kb-optionalsuse-upgrade-kernel-azuresuse-upgrade-kernel-azure-basesuse-upgrade-kernel-azure-develsuse-upgrade-kernel-azure-extrasuse-upgrade-kernel-azure-livepatch-develsuse-upgrade-kernel-azure-optionalsuse-upgrade-kernel-debugsuse-upgrade-kernel-debug-basesuse-upgrade-kernel-debug-develsuse-upgrade-kernel-debug-livepatch-develsuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-basesuse-upgrade-kernel-default-base-rebuildsuse-upgrade-kernel-default-develsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-default-livepatchsuse-upgrade-kernel-default-livepatch-develsuse-upgrade-kernel-default-mansuse-upgrade-kernel-default-optionalsuse-upgrade-kernel-develsuse-upgrade-kernel-devel-azuresuse-upgrade-kernel-devel-rtsuse-upgrade-kernel-docssuse-upgrade-kernel-docs-htmlsuse-upgrade-kernel-kvmsmallsuse-upgrade-kernel-kvmsmall-basesuse-upgrade-kernel-kvmsmall-develsuse-upgrade-kernel-kvmsmall-livepatch-develsuse-upgrade-kernel-macrossuse-upgrade-kernel-obs-buildsuse-upgrade-kernel-obs-qasuse-upgrade-kernel-preemptsuse-upgrade-kernel-preempt-develsuse-upgrade-kernel-preempt-extrasuse-upgrade-kernel-preempt-livepatch-develsuse-upgrade-kernel-preempt-optionalsuse-upgrade-kernel-rtsuse-upgrade-kernel-rt-develsuse-upgrade-kernel-rt_debugsuse-upgrade-kernel-rt_debug-develsuse-upgrade-kernel-sourcesuse-upgrade-kernel-source-azuresuse-upgrade-kernel-source-rtsuse-upgrade-kernel-source-vanillasuse-upgrade-kernel-symssuse-upgrade-kernel-syms-azuresuse-upgrade-kernel-syms-rtsuse-upgrade-kernel-vanillasuse-upgrade-kernel-vanilla-basesuse-upgrade-kernel-vanilla-develsuse-upgrade-kernel-vanilla-livepatch-develsuse-upgrade-kernel-zfcpdumpsuse-upgrade-kernel-zfcpdump-mansuse-upgrade-kselftests-kmp-64kbsuse-upgrade-kselftests-kmp-azuresuse-upgrade-kselftests-kmp-defaultsuse-upgrade-kselftests-kmp-preemptsuse-upgrade-ocfs2-kmp-64kbsuse-upgrade-ocfs2-kmp-azuresuse-upgrade-ocfs2-kmp-defaultsuse-upgrade-ocfs2-kmp-preemptsuse-upgrade-ocfs2-kmp-rtsuse-upgrade-reiserfs-kmp-64kbsuse-upgrade-reiserfs-kmp-azuresuse-upgrade-reiserfs-kmp-defaultsuse-upgrade-reiserfs-kmp-preempt | Dec 19, 2022 | Nov 28, 2022 |
| Ubuntu | ubuntu-upgrade-linux-image-5-15-0-1018-gkeopubuntu-upgrade-linux-image-5-15-0-1027-raspiubuntu-upgrade-linux-image-5-15-0-1027-raspi-nolpaeubuntu-upgrade-linux-image-5-15-0-1028-ibmubuntu-upgrade-linux-image-5-15-0-1028-intel-iotgubuntu-upgrade-linux-image-5-15-0-1030-intel-iotgubuntu-upgrade-linux-image-5-15-0-1031-gkeubuntu-upgrade-linux-image-5-15-0-1031-kvmubuntu-upgrade-linux-image-5-15-0-1032-gcpubuntu-upgrade-linux-image-5-15-0-1033-oracleubuntu-upgrade-linux-image-5-15-0-1034-awsubuntu-upgrade-linux-image-5-15-0-1036-azureubuntu-upgrade-linux-image-5-15-0-1036-azure-fdeubuntu-upgrade-linux-image-5-15-0-70-genericubuntu-upgrade-linux-image-5-15-0-70-generic-64kubuntu-upgrade-linux-image-5-15-0-70-generic-lpaeubuntu-upgrade-linux-image-5-15-0-70-lowlatencyubuntu-upgrade-linux-image-5-15-0-70-lowlatency-64kubuntu-upgrade-linux-image-5-19-0-1018-raspiubuntu-upgrade-linux-image-5-19-0-1018-raspi-nolpaeubuntu-upgrade-linux-image-5-19-0-1022-ibmubuntu-upgrade-linux-image-5-19-0-1023-kvmubuntu-upgrade-linux-image-5-19-0-1023-oracleubuntu-upgrade-linux-image-5-19-0-1024-gcpubuntu-upgrade-linux-image-5-19-0-1024-lowlatencyubuntu-upgrade-linux-image-5-19-0-1024-lowlatency-64kubuntu-upgrade-linux-image-5-19-0-1025-awsubuntu-upgrade-linux-image-5-19-0-1026-azureubuntu-upgrade-linux-image-5-19-0-42-genericubuntu-upgrade-linux-image-5-19-0-42-generic-64kubuntu-upgrade-linux-image-5-19-0-42-generic-lpaeubuntu-upgrade-linux-image-5-4-0-1017-iotubuntu-upgrade-linux-image-5-4-0-1024-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1047-ibmubuntu-upgrade-linux-image-5-4-0-1062-bluefieldubuntu-upgrade-linux-image-5-4-0-1067-gkeopubuntu-upgrade-linux-image-5-4-0-1083-raspiubuntu-upgrade-linux-image-5-4-0-1089-kvmubuntu-upgrade-linux-image-5-4-0-1097-gkeubuntu-upgrade-linux-image-5-4-0-1099-oracleubuntu-upgrade-linux-image-5-4-0-1100-awsubuntu-upgrade-linux-image-5-4-0-1103-gcpubuntu-upgrade-linux-image-5-4-0-1106-azureubuntu-upgrade-linux-image-5-4-0-147-genericubuntu-upgrade-linux-image-5-4-0-147-generic-lpaeubuntu-upgrade-linux-image-5-4-0-147-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-generic-lpae-hwe-22-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-virtual-hwe-22-04ubuntu-upgrade-linux-image-xilinx-zynqmp | Apr 21, 2023 | Nov 28, 2022 | |
| Vmware Photon_os | vmware-photon_os_update_tdnf | Jan 20, 2025 | Nov 28, 2022 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub