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 | — | Upgrade kernel-zfcpdump-coreUpgrade kernel-64k-debug-modules-extraUpgrade kernel-develUpgrade kernel-devel-matchedUpgrade kernel-rt-coreUpgrade perfUpgrade kernel-64k-modulesUpgrade kernel-rt-debug-coreUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-64k-debug-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-64kUpgrade bpftoolUpgrade python3-perfUpgrade kernel-cross-headersUpgrade kernel-rt-modules-extraUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-kvmUpgrade kernel-tools-libs-develUpgrade kernelUpgrade kernel-64k-devel-matchedUpgrade kernel-debug-coreUpgrade kernel-debug-develUpgrade kernel-debug-uki-virtUpgrade kernel-rt-debug-develUpgrade kernel-64k-debugUpgrade kernel-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rtUpgrade kernel-toolsUpgrade kernel-debug-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-64k-debug-modulesUpgrade kernel-modules-coreUpgrade kernel-rt-modules-coreUpgrade kernel-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-debugUpgrade kernel-abi-stablelistsUpgrade kernel-docUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdumpUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-uki-virtUpgrade kernel-rt-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-zfcpdump-develUpgrade kernel-64k-develUpgrade kernel-rt-modulesUpgrade rtlaUpgrade kernel-debug-modules-extraUpgrade kernel-rt-develUpgrade kernel-64k-debug-modules-coreUpgrade kernel-rt-debugUpgrade kernel-tools-libsUpgrade kernel-64k-coreUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-modules-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-64k-modules-extraUpgrade kernel-64k-debug-devel | May 15, 2023 | Nov 28, 2022 |
| Amazon Linux Ami 2 | — | Upgrade kernelUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-headersUpgrade python-perf-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.93-55.139Upgrade kernel-toolsUpgrade bpftool-debuginfoUpgrade perfUpgrade bpftoolUpgrade python-perfUpgrade perf-debuginfoUpgrade kernel-livepatch-5.10.167-147.601Upgrade kernel-debuginfo-common-aarch64 | Feb 24, 2023 | Nov 28, 2022 |
| Centos_linux | — | Upgrade kernelUpgrade kernel-rt | May 15, 2023 | Nov 28, 2022 |
| Debian | — | Upgrade linux | May 1, 2023 | Nov 28, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-tools-libsUpgrade kernelUpgrade python3-perfUpgrade kernel-tools | Feb 13, 2023 | Nov 28, 2022 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perf | Mar 8, 2023 | Nov 28, 2022 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-headersUpgrade python-perfUpgrade kernel-toolsUpgrade kernelUpgrade perfUpgrade kernel-develUpgrade kernel-tools-libs | Jun 9, 2023 | Nov 28, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-toolsUpgrade python-perfUpgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libs | Feb 9, 2023 | Nov 28, 2022 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Mar 17, 2023 | Aug 10, 2022 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernelNo solution exists | May 15, 2023 | Nov 28, 2022 |
| Suse | — | Upgrade dlm-kmp-preemptUpgrade dtb-lgUpgrade cluster-md-kmp-64kbUpgrade gfs2-kmp-preemptUpgrade kernel-source-rtUpgrade kernel-64kb-extraUpgrade kselftests-kmp-preemptUpgrade kernel-vanilla-develUpgrade reiserfs-kmp-64kbUpgrade dtb-caviumUpgrade kernel-debug-develUpgrade kernel-default-baseUpgrade kernel-zfcpdump-manUpgrade cluster-md-kmp-rtUpgrade kernel-64kb-develUpgrade kernel-develUpgrade kernel-default-livepatch-develUpgrade kernel-source-azureUpgrade kernel-default-optionalUpgrade kernel-defaultUpgrade kernel-64kb-optionalUpgrade reiserfs-kmp-preemptUpgrade dlm-kmp-rtUpgrade kselftests-kmp-azureUpgrade dtb-xilinxUpgrade gfs2-kmp-azureUpgrade kernel-devel-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-source-vanillaUpgrade dtb-allwinnerUpgrade dtb-sprdUpgrade dtb-nvidiaUpgrade dtb-alteraUpgrade kselftests-kmp-64kbUpgrade dlm-kmp-64kbUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-azureUpgrade kernel-preempt-livepatch-develUpgrade dtb-freescaleUpgrade ocfs2-kmp-64kbUpgrade dtb-amazonUpgrade dtb-mediatekUpgrade dtb-broadcomUpgrade kernel-rt-develUpgrade dtb-renesasUpgrade kernel-kvmsmall-baseUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-hisiliconUpgrade kernel-sourceUpgrade kernel-obs-buildUpgrade dtb-zteUpgrade reiserfs-kmp-azureUpgrade kernel-azureUpgrade kernel-rt_debug-develUpgrade kernel-default-livepatchUpgrade dtb-amdUpgrade kernel-preempt-optionalUpgrade dtb-exynosUpgrade kernel-azure-optionalUpgrade kernel-preempt-extraUpgrade cluster-md-kmp-preemptUpgrade dtb-alUpgrade kernel-debugUpgrade gfs2-kmp-defaultUpgrade kernel-preempt-develUpgrade kernel-default-develUpgrade kernel-vanilla-baseUpgrade kernel-preemptUpgrade dtb-appleUpgrade kernel-default-base-rebuildUpgrade kernel-rt_debugUpgrade kernel-syms-rtUpgrade kernel-azure-baseUpgrade kernel-docsUpgrade kernel-vanilla-livepatch-develUpgrade gfs2-kmp-64kbUpgrade dtb-rockchipUpgrade ocfs2-kmp-rtUpgrade dtb-socionextUpgrade kernel-azure-livepatch-develUpgrade kernel-kvmsmall-develUpgrade dtb-qcomUpgrade kernel-64kbUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-preemptUpgrade kernel-symsUpgrade kernel-syms-azureUpgrade kernel-devel-azureUpgrade gfs2-kmp-rtUpgrade cluster-md-kmp-defaultUpgrade kernel-zfcpdumpUpgrade kernel-kvmsmallUpgrade kernel-debug-livepatch-develUpgrade kernel-debug-baseUpgrade dtb-armUpgrade dlm-kmp-defaultUpgrade kernel-rtUpgrade kernel-obs-qaUpgrade kernel-default-extraUpgrade dtb-amlogicUpgrade kernel-vanillaUpgrade dtb-marvellUpgrade kernel-macrosUpgrade kernel-azure-extraUpgrade kernel-docs-htmlUpgrade kernel-64kb-livepatch-develUpgrade dtb-apmUpgrade kernel-default-manUpgrade kernel-azure-develUpgrade cluster-md-kmp-azureUpgrade kselftests-kmp-default | Dec 19, 2022 | Nov 28, 2022 |
| Ubuntu | — | Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-20.04cUpgrade linux-image-5.4.0-1083-raspiUpgrade linux-image-5.15.0-1032-gcpUpgrade linux-image-5.19.0-1026-azureUpgrade linux-image-gkeop-5.15Upgrade linux-image-5.19.0-1023-kvmUpgrade linux-image-gkeUpgrade linux-image-5.15.0-70-genericUpgrade linux-image-5.15.0-1033-oracleUpgrade linux-image-5.4.0-1047-ibmUpgrade linux-image-5.15.0-1028-ibmUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-1030-intel-iotgUpgrade linux-image-5.4.0-147-generic-lpaeUpgrade linux-image-5.4.0-1099-oracleUpgrade linux-image-5.4.0-1067-gkeopUpgrade linux-image-5.15.0-70-generic-lpaeUpgrade linux-image-5.15.0-1031-gkeUpgrade linux-image-5.15.0-1034-awsUpgrade linux-image-5.4.0-1062-bluefieldUpgrade linux-image-5.15.0-1027-raspi-nolpaeUpgrade linux-image-oemUpgrade linux-image-5.4.0-147-genericUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-5.4.0-1100-awsUpgrade linux-image-gke-5.4Upgrade linux-image-awsUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-oem-20.04Upgrade linux-image-5.4.0-1017-iotUpgrade linux-image-5.19.0-1024-lowlatencyUpgrade linux-image-5.15.0-1031-kvmUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1036-azureUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-5.19.0-42-generic-lpaeUpgrade linux-image-raspiUpgrade linux-image-5.19.0-1025-awsUpgrade linux-image-5.4.0-1106-azureUpgrade linux-image-5.4.0-147-lowlatencyUpgrade linux-image-5.4.0-1103-gcpUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-5.4.0-1024-xilinx-zynqmpUpgrade linux-image-oracleUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-5.15.0-1028-intel-iotgUpgrade linux-image-bluefieldUpgrade linux-image-intel-iotgUpgrade linux-image-5.19.0-42-genericUpgrade linux-image-azureUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-intelUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-5.19.0-42-generic-64kUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gke-5.15Upgrade linux-image-5.19.0-1024-lowlatency-64kUpgrade linux-image-5.15.0-70-generic-64kUpgrade linux-image-generic-64kUpgrade linux-image-5.19.0-1024-gcpUpgrade linux-image-aws-lts-22.04Upgrade linux-image-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-raspi2Upgrade linux-image-azure-lts-20.04Upgrade linux-image-5.15.0-1036-azure-fdeUpgrade linux-image-genericUpgrade linux-image-5.19.0-1023-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-5.4.0-1097-gkeUpgrade linux-image-5.19.0-1022-ibmUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-aws-lts-20.04Upgrade linux-image-generic-hwe-18.04Upgrade linux-image-5.15.0-1027-raspiUpgrade linux-image-virtualUpgrade linux-image-oem-20.04dUpgrade linux-image-lowlatency-64kUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-osp1Upgrade linux-image-ibmUpgrade linux-image-gkeop-5.4Upgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.15.0-70-lowlatency-64kUpgrade linux-image-generic-lpae-hwe-22.04Upgrade linux-image-5.19.0-1018-raspi-nolpaeUpgrade linux-image-lowlatencyUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1018-gkeopUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-5.15.0-70-lowlatencyUpgrade linux-image-oem-20.04bUpgrade linux-image-gcpUpgrade linux-image-5.19.0-1018-raspiUpgrade linux-image-5.4.0-1089-kvmUpgrade linux-image-gkeop | Apr 21, 2023 | Nov 28, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Nov 28, 2022 |
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