In the Linux kernel, the following vulnerability has been resolved:
ipv6: use RCU in ip6_output()
Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF.
We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().
CVSS Details
- CVSS 3.1 Base Score: 8.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-docUpgrade kernel-rt-64k-coreUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-uki-virtUpgrade kernel-64k-debug-develUpgrade python3-perfUpgrade kernel-modules-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-rt-coreUpgrade kernel-64k-develUpgrade kernel-headersUpgrade kernel-rt-develUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-develUpgrade kernel-debugUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-coreUpgrade kernel-zfcpdumpUpgrade kernel-64k-modulesUpgrade kernel-develUpgrade kernel-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-coreUpgrade kernel-rt-64k-debugUpgrade rtlaUpgrade kernel-64k-modules-extraUpgrade kernel-tools-libsUpgrade kernel-64k-debug-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-modules-extraUpgrade bpftoolUpgrade kernel-64k-debug-modules-coreUpgrade kernel-64k-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-debugUpgrade kernel-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-debug-develUpgrade kernel-modulesUpgrade kernel-zfcpdump-modulesUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-rt-64k-modules-coreUpgrade rvUpgrade kernel-rt-64k-debug-develUpgrade kernel-rt-modulesUpgrade kernel-debug-devel-matchedUpgrade kernel-uki-virt-addonsUpgrade kernelUpgrade kernel-64k-debugUpgrade libperfUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-rt-64kUpgrade kernel-rt-64k-debug-coreUpgrade kernel-64k-debug-coreUpgrade kernel-64k-coreUpgrade kernel-toolsUpgrade kernel-rt-modules-extraUpgrade kernel-rtUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-64kUpgrade kernel-abi-stablelistsUpgrade kernel-rt-64k-modulesUpgrade kernel-devel-matchedUpgrade kernel-zfcpdump-coreUpgrade kernel-64k-debug-modules-extraUpgrade kernel-64k-devel-matchedUpgrade kernel-tools-libs-develUpgrade perfUpgrade kernel-rt-64k-modules-extraUpgrade kernel-debug-modules-extraUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-cross-headers | Feb 10, 2026 | Feb 9, 2026 |
| Amazon Linux Ami 2 | — | Upgrade perf-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade kernelUpgrade bpftool-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.260-259.1061Upgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade perfUpgrade kernel-develUpgrade python-perfUpgrade kernel-toolsUpgrade kernel-tools-devel | Aug 5, 2026 | Aug 5, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-livepatch-6.12.95-124.187Upgrade perf-debuginfoUpgrade bpftool6.12-debuginfoUpgrade perf6.12-debuginfoUpgrade kernel6.12-modules-extraUpgrade perf6.12Upgrade kernel-modules-extraUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-headersUpgrade kernel6.12Upgrade kernel6.12-debuginfo-common-x86_64Upgrade kernel6.12-toolsUpgrade bpftool-debuginfoUpgrade kernel6.12-debuginfo-common-aarch64Upgrade kernel6.12-tools-develUpgrade kernel6.12-modules-extra-commonUpgrade python3-perf6.12Upgrade perfUpgrade bpftool6.12Upgrade kernel6.12-tools-debuginfoUpgrade kernel-livepatch-6.1.177-224.371Upgrade kernel6.12-develUpgrade kernel-tools-develUpgrade kernel-develUpgrade python3-perf-debuginfoUpgrade kernel6.12-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel6.12-headersUpgrade python3-perfUpgrade kernel-modules-extra-commonUpgrade kernel-toolsUpgrade kernel-debuginfo-common-aarch64Upgrade kernelUpgrade bpftoolUpgrade python3-perf6.12-debuginfo | Aug 18, 2026 | Nov 12, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernelUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade python3-perfUpgrade kernelUpgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-tools | Mar 10, 2026 | Mar 10, 2026 |
| Oracle_linux | — | Upgrade kernel | Feb 4, 2026 | Nov 12, 2025 |
| Redhat_linux | — | No solution existsUpgrade kernelUpgrade kernel-rt | Feb 3, 2026 | Nov 12, 2025 |
| Rocky_linux | — | Upgrade kernelUpgrade kernel-rt-modules-extraUpgrade kernel-zfcpdump-modules-coreUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-coreUpgrade kernel-rt-develUpgrade kernel-uki-virt-addonsUpgrade python3-perfUpgrade kernel-rt-coreUpgrade kernel-rt-debug-debuginfoUpgrade libperf-debuginfoUpgrade kernel-zfcpdump-debuginfoUpgrade python3-perf-debuginfoUpgrade bpftoolUpgrade kernel-modules-extra-matchedUpgrade kernel-tools-libsUpgrade kernel-rt-debug-coreUpgrade kernel-tools-libs-develUpgrade kernel-debug-modules-coreUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debugUpgrade kernel-rt-debuginfoUpgrade kernel-zfcpdump-develUpgrade kernel-modulesUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-debug-modulesUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debug-uki-virtUpgrade kernel-debug-debuginfoUpgrade kernel-debuginfoUpgrade kernel-toolsUpgrade kernel-modules-extraUpgrade perfUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-devel-matchedUpgrade kernel-modules-coreUpgrade kernel-develUpgrade rtlaUpgrade kernel-rtUpgrade kernel-debuginfo-common-s390xUpgrade kernel-debug-modules-extraUpgrade kernel-debugUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-modulesUpgrade libperfUpgrade kernel-debug-coreUpgrade kernel-debug-develUpgrade bpftool-debuginfoUpgrade rvUpgrade kernel-tools-debuginfoUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-develUpgrade kernel-uki-virtUpgrade perf-debuginfo | Feb 9, 2026 | Feb 8, 2026 |
| Ubuntu | — | Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-6.17.0-1007-oracleUpgrade linux-image-oracleUpgrade linux-image-6.17.0-1007-aws-64kUpgrade linux-image-oracle-6.17Upgrade linux-image-virtualUpgrade linux-image-6.17.0-14-generic-64kUpgrade linux-image-aws-64kUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-6.17.0-1007-gcp-64kUpgrade linux-image-nvidia-tegraUpgrade linux-image-6.8.0-1035-nvidia-tegra-rtUpgrade linux-image-gcpUpgrade linux-image-generic-64kUpgrade linux-image-6.17.0-1008-azureUpgrade linux-image-6.17.0-1006-realtimeUpgrade linux-image-genericUpgrade linux-image-6.17.0-1011-oemUpgrade linux-image-6.17.0-1007-gcpUpgrade linux-image-6.17.0-1008-raspiUpgrade linux-image-generic-6.17Upgrade linux-image-aws-6.17Upgrade linux-image-azure-6.17Upgrade linux-image-6.17.0-14-genericUpgrade linux-image-aws-64k-6.17Upgrade linux-image-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-realtime-6.17Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-raspi-6.17Upgrade linux-image-gcp-6.17Upgrade linux-image-realtimeUpgrade linux-image-6.8.0-1035-nvidia-tegraUpgrade linux-image-awsUpgrade linux-image-virtual-6.17Upgrade linux-image-generic-64k-6.17Upgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-6.17.0-1007-oracle-64kUpgrade linux-image-6.17.0-1007-awsUpgrade linux-image-oem-6.17Upgrade linux-image-azureUpgrade linux-image-gcp-64kUpgrade linux-image-oracle-64k-6.17 | Feb 13, 2026 | Feb 12, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 30, 2026 | Nov 12, 2025 |
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