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A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.
If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.
We recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-64k-modules-coreUpgrade kernel-rt-kvmUpgrade kernel-rt-develUpgrade kernel-debug-uki-virtUpgrade kernelUpgrade kernel-modules-extraUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-64k-debug-develUpgrade kernel-64k-debug-modulesUpgrade kernel-rt-modules-extraUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64kUpgrade kernel-debug-modules-coreUpgrade kernel-debug-coreUpgrade kernel-debug-modules-extraUpgrade kernel-rtUpgrade kernel-rt-coreUpgrade kernel-debugUpgrade kernel-64k-modules-extraUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-tools-libsUpgrade kernel-64k-debug-modules-coreUpgrade kernel-develUpgrade kernel-rt-debug-modulesUpgrade kernel-64k-develUpgrade bpftoolUpgrade kernel-64k-debug-coreUpgrade kernel-64k-modulesUpgrade kernel-rt-debugUpgrade kernel-cross-headersUpgrade kernel-rt-debug-coreUpgrade kernel-toolsUpgrade kernel-debug-modulesUpgrade kernel-64k-coreUpgrade kernel-docUpgrade kernel-zfcpdump-develUpgrade kernel-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-64k-devel-matchedUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdump-coreUpgrade kernel-modulesUpgrade kernel-zfcpdumpUpgrade kernel-rt-modulesUpgrade kernel-debug-develUpgrade kernel-64k-debugUpgrade kernel-headersUpgrade kernel-uki-virtUpgrade kernel-tools-libs-develUpgrade kernel-abi-stablelistsUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-debug-develUpgrade kernel-coreUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rt-debug-kvmUpgrade python3-perfUpgrade kernel-zfcpdump-modulesUpgrade perfUpgrade rtla | Sep 15, 2023 | Jul 21, 2023 |
| Amazon Linux Ami 2 | — | Upgrade kernel-livepatch-5.10.184-175.749-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernelUpgrade kernel-develUpgrade kernel-headersUpgrade kernel-livepatch-5.10.184-174.730-debuginfoUpgrade kernel-livepatch-4.14.320-242.534Upgrade perf-debuginfoUpgrade kernel-livepatch-4.14.318-241.531-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-livepatch-4.14.318-240.529Upgrade kernel-debuginfoUpgrade kernel-livepatch-4.14.320-243.544Upgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.184-175.731Upgrade kernel-livepatch-5.10.184-175.731-debuginfoUpgrade kernel-livepatch-4.14.320-242.534-debuginfoUpgrade kernel-livepatch-5.10.184-174.730Upgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-4.14.318-240.529-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.318-241.531Upgrade python-perfUpgrade kernel-livepatch-5.15.122-77.145Upgrade bpftoolUpgrade kernel-livepatch-5.10.184-175.749Upgrade kernel-livepatch-5.10.186-179.751Upgrade kernel-livepatch-5.10.179-171.711-debuginfoUpgrade kernel-livepatch-5.10.179-171.711 | Aug 9, 2023 | Jul 21, 2023 |
| Amazon_linux | — | Upgrade kernel | Aug 9, 2023 | Jul 21, 2023 |
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.1.29-50.88Upgrade kernel-livepatch-6.1.38-59.109Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-libbpf-develUpgrade kernelUpgrade kernel-tools-develUpgrade kernel-libbpf-staticUpgrade bpftoolUpgrade python3-perfUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-toolsUpgrade kernel-libbpfUpgrade kernel-debuginfoUpgrade perf-debuginfoUpgrade kernel-livepatch-6.1.41-63.109Upgrade kernel-headersUpgrade kernel-livepatch-6.1.34-56.100Upgrade kernel-livepatch-6.1.34-58.102Upgrade bpftool-debuginfoUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-livepatch-6.1.34-59.116 | Feb 17, 2025 | Jul 6, 2023 |
| Centos_linux | — | Upgrade kpatch-patch-3_10_0-1160_95_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_102_1Upgrade kpatch-patch-3_10_0-1160_90_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_92_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_92_1Upgrade kpatch-patch-3_10_0-1160_99_1Upgrade kernel-rtUpgrade kpatch-patch-3_10_0-1160_99_1-debuginfoUpgrade kpatch-patch-3_10_0-1160_95_1Upgrade kernelUpgrade kpatch-patch-3_10_0-1160_90_1Upgrade kpatch-patch-3_10_0-1160_102_1-debuginfo | Sep 13, 2023 | Jul 21, 2023 |
| Debian | — | Upgrade linux | Aug 21, 2023 | Jul 21, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernelUpgrade kernel-toolsUpgrade kernel-tools-libs | Jan 10, 2024 | Jul 21, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade bpftool | Jan 10, 2024 | Jul 21, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade kernel-headersUpgrade kernel-toolsUpgrade perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernelUpgrade kernel-develUpgrade python-perf | Jan 10, 2024 | Jul 21, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade python3-perfUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-tools | Jan 10, 2024 | Jul 21, 2023 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Sep 15, 2023 | Jul 6, 2023 |
| Redhat_linux | — | Upgrade kernelUpgrade kernel-rt | Sep 13, 2023 | Jul 21, 2023 |
| Rocky_linux | — | Upgrade kernel-rt-debug-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-rt-debug-kvmUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-develUpgrade kernel-rt-modules-coreUpgrade kernel-rt-kvmUpgrade kernel-rt-modules-extraUpgrade kernel-rtUpgrade kernel-rt-debug-debuginfoUpgrade kernel-rt-debug | Mar 5, 2024 | Jul 21, 2023 |
| Suse | — | Upgrade kernel-default-manUpgrade kernel-vanillaUpgrade kernel-docs-htmlUpgrade kernel-symsUpgrade kernel-64kb-develUpgrade kernel-64kbUpgrade dtb-amlogicUpgrade kernel-xen-develUpgrade dtb-amdUpgrade kernel-64kb-livepatch-develUpgrade kernel-azure-optionalUpgrade kernel-debugUpgrade dlm-kmp-64kbUpgrade kernel-azure-vdsoUpgrade kernel-azure-baseUpgrade kernel-default-extraUpgrade kernel-azure-develUpgrade kernel-ec2-develUpgrade kernel-rt-develUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmallUpgrade kernel-syms-azureUpgrade dtb-marvellUpgrade kernel-ec2Upgrade gfs2-kmp-64kbUpgrade kernel-devel-rtUpgrade kernel-rt-livepatchUpgrade dtb-amazonUpgrade kernel-debug-livepatch-develUpgrade kernel-syms-rtUpgrade kernel-macrosUpgrade dtb-hisiliconUpgrade kernel-xen-baseUpgrade kernel-obs-qaUpgrade cluster-md-kmp-defaultUpgrade kernel-source-azureUpgrade kernel-debug-develUpgrade dtb-exynosUpgrade ocfs2-kmp-64kbUpgrade dtb-qcomUpgrade ocfs2-kmp-rtUpgrade dtb-lgUpgrade cluster-md-kmp-azureUpgrade dtb-xilinxUpgrade dtb-apmUpgrade dtb-appleUpgrade kernel-zfcpdumpUpgrade kernel-xenUpgrade kernel-azure-extraUpgrade kernel-rt_debug-vdsoUpgrade kernel-preemptUpgrade kernel-traceUpgrade kernel-default-vdsoUpgrade kernel-devel-azureUpgrade kernel-default-livepatchUpgrade kernel-kvmsmall-develUpgrade kernel-azure-livepatch-develUpgrade gfs2-kmp-rtUpgrade kernel-debug-baseUpgrade kernel-kvmsmall-livepatch-develUpgrade dtb-alteraUpgrade kernel-default-develUpgrade kselftests-kmp-64kbUpgrade dtb-mediatekUpgrade kernel-sourceUpgrade kernel-64kb-optionalUpgrade dtb-freescaleUpgrade kernel-rtUpgrade kernel-vanilla-baseUpgrade dtb-broadcomUpgrade dlm-kmp-rtUpgrade gfs2-kmp-azureUpgrade gfs2-kmp-defaultUpgrade dtb-socionextUpgrade kernel-rt_debugUpgrade kernel-docsUpgrade kselftests-kmp-azureUpgrade dtb-renesasUpgrade dtb-allwinnerUpgrade kernel-default-optionalUpgrade kselftests-kmp-rtUpgrade dtb-caviumUpgrade kernel-debug-vdsoUpgrade kernel-azureUpgrade dlm-kmp-azureUpgrade ocfs2-kmp-defaultUpgrade kernel-trace-baseUpgrade kernel-ec2-baseUpgrade kernel-rt_debug-develUpgrade dtb-armUpgrade dtb-alUpgrade kernel-vanilla-livepatch-develUpgrade kernel-source-rtUpgrade dlm-kmp-defaultUpgrade dtb-zteUpgrade kernel-default-base-rebuildUpgrade kernel-kvmsmall-baseUpgrade cluster-md-kmp-rtUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade kernel-obs-buildUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-develUpgrade dtb-rockchipUpgrade kernel-preempt-develUpgrade reiserfs-kmp-rtUpgrade dtb-nvidiaUpgrade kernel-defaultUpgrade kernel-rt-vdsoUpgrade ocfs2-kmp-azureUpgrade kernel-source-vanillaUpgrade kernel-64kb-extraUpgrade kernel-zfcpdump-manUpgrade kernel-vanilla-develUpgrade kernel-rt-extraUpgrade kernel-default-livepatch-develUpgrade cluster-md-kmp-64kbUpgrade kselftests-kmp-defaultUpgrade kernel-rt-optionalUpgrade kernel-trace-develUpgrade kernel-kvmsmall-vdsoUpgrade reiserfs-kmp-64kbUpgrade kernel-default-baseUpgrade dtb-sprd | Aug 15, 2023 | Jul 21, 2023 |
| Ubuntu | — | Upgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-82-lowlatency-64kUpgrade linux-image-generic-hwe-18.04Upgrade linux-image-6.2.0-1010-awsUpgrade linux-image-nvidiaUpgrade linux-image-5.15.0-1040-gkeUpgrade linux-image-5.4.0-1092-raspiUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-6.2.0-1010-azureUpgrade linux-image-ibm-lts-20.04Upgrade linux-image-aws-lts-20.04Upgrade linux-image-oem-20.04dUpgrade linux-image-4.4.0-1160-awsUpgrade linux-image-virtual-hwe-16.04Upgrade linux-image-raspi2Upgrade linux-image-6.1.0-1019-oemUpgrade linux-image-5.4.0-1070-bluefieldUpgrade linux-image-lowlatencyUpgrade linux-image-4.4.0-244-genericUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-22.04bUpgrade linux-image-5.15.0-1040-gcpUpgrade linux-image-4.15.0-1154-gcpUpgrade linux-image-5.4.0-159-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.2.0-1010-oracleUpgrade linux-image-starfiveUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.2.0-1012-gcpUpgrade linux-image-5.15.0-1026-gkeopUpgrade linux-image-5.4.0-159-genericUpgrade linux-image-5.15.0-1036-raspiUpgrade linux-image-gke-5.15Upgrade linux-image-azure-lts-20.04Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-82-generic-lpaeUpgrade linux-image-oem-20.04bUpgrade linux-image-5.4.0-1108-awsUpgrade linux-image-ibmUpgrade linux-image-6.2.0-1003-starfiveUpgrade linux-image-4.15.0-1160-awsUpgrade linux-image-awsUpgrade linux-image-5.4.0-159-generic-lpaeUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-6.2.0-1011-kvmUpgrade linux-image-5.15.0-1040-kvmUpgrade linux-image-raspiUpgrade linux-image-5.15.0-1041-oracleUpgrade linux-image-6.2.0-1011-lowlatency-64kUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-aws-hweUpgrade linux-image-5.4.0-1097-kvmUpgrade linux-image-4.15.0-1123-oracleUpgrade linux-image-intelUpgrade linux-image-serverUpgrade linux-image-oem-22.04cUpgrade linux-image-generic-lts-xenialUpgrade linux-image-5.4.0-1056-ibmUpgrade linux-image-genericUpgrade linux-image-6.2.0-1011-raspiUpgrade linux-image-snapdragon-hwe-18.04Upgrade linux-image-gkeop-5.4Upgrade linux-image-4.15.0-216-lowlatencyUpgrade linux-image-6.0.0-1021-oemUpgrade linux-image-gcp-lts-18.04Upgrade linux-image-5.4.0-1107-oracleUpgrade linux-image-lowlatency-hwe-18.04Upgrade linux-image-oemUpgrade linux-image-4.4.0-244-lowlatencyUpgrade linux-image-generic-lpae-hwe-22.04Upgrade linux-image-5.15.0-1043-awsUpgrade linux-image-gkeopUpgrade linux-image-azure-lts-18.04Upgrade linux-image-raspi-hwe-18.04Upgrade linux-image-6.2.0-31-generic-64kUpgrade linux-image-gcp-lts-20.04Upgrade linux-image-5.4.0-1114-azureUpgrade linux-image-gcpUpgrade linux-image-gkeop-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-1038-intel-iotgUpgrade linux-image-5.4.0-1111-gcpUpgrade linux-image-oem-osp1Upgrade linux-image-4.15.0-1169-azureUpgrade linux-image-generic-lts-trustyUpgrade linux-image-5.15.0-82-genericUpgrade linux-image-gkeUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.15.0-1144-kvmUpgrade linux-image-virtual-hwe-18.04Upgrade linux-image-4.4.0-1122-awsUpgrade linux-image-4.4.0-1123-kvmUpgrade linux-image-5.15.0-1045-azure-fdeUpgrade linux-image-bluefieldUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-82-generic-64kUpgrade linux-image-6.2.0-31-genericUpgrade linux-image-5.4.0-1075-gkeopUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-oracleUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-intel-iotgUpgrade linux-image-5.15.0-82-lowlatencyUpgrade linux-image-oracle-lts-20.04Upgrade linux-image-virtual-lts-xenialUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-generic-64kUpgrade linux-image-3.13.0-193-genericUpgrade linux-image-virtualUpgrade linux-image-aws-lts-18.04Upgrade linux-image-5.4.0-1028-xilinx-zynqmpUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.2.0-1011-lowlatencyUpgrade linux-image-6.2.0-31-generic-lpaeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-3.13.0-193-lowlatencyUpgrade linux-image-5.15.0-1045-azureUpgrade linux-image-oem-20.04cUpgrade linux-image-5.15.0-1031-nvidia-lowlatencyUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-azure-cvmUpgrade linux-image-oracle-lts-18.04Upgrade linux-image-5.15.0-1031-nvidiaUpgrade linux-image-5.15.0-1036-ibmUpgrade linux-image-generic-lpae-hwe-18.04Upgrade linux-image-6.2.0-1008-ibmUpgrade linux-image-4.15.0-216-generic | Aug 14, 2023 | Jul 21, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jul 21, 2023 |
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