In the Linux kernel, the following vulnerability has been resolved:
ip_vti: fix potential slab-use-after-free in decode_session6
When ip_vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ip_vti device sends IPv6 packets. As commit f855691975bb ("xfrm6: Fix the nexthdr offset in _decode_session6.") showed, xfrm_decode_session was originally intended only for the receive path. IP6CB(skb)->nhoff is not set during transmission. Therefore, set the cb field in the skb to 0 before sending packets.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade perfUpgrade bpftoolUpgrade kernel-livepatch-5.15.128-80.144Upgrade python-perf-debuginfoUpgrade kernelUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-headersUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-4.14.326-245.539Upgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-toolsUpgrade kernel-livepatch-5.10.192-182.736Upgrade python-perfUpgrade perf-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-debuginfoUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade bpftool-debuginfoUpgrade kernelUpgrade kernel-libbpf-staticUpgrade kernel-livepatch-6.1.49-69.116Upgrade bpftoolUpgrade kernel-libbpf-develUpgrade python3-perfUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-develUpgrade perfUpgrade kernel-tools-develUpgrade kernel-toolsUpgrade kernel-libbpfUpgrade kernel-debuginfoUpgrade kernel-debuginfo-common-aarch64 | Oct 24, 2025 | Oct 4, 2025 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel-tools | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade kernel | Feb 3, 2026 | Jan 30, 2026 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Nov 14, 2025 | Oct 4, 2025 |
| Ubuntu | — | Upgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-aws-5.15Upgrade linux-aws-fipsUpgrade linux-nvidia-tegraUpgrade linux-hwe-5.4Upgrade linux-nvidiaUpgrade linux-azure-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-ibmUpgrade linux-oracleUpgrade linux-gkeUpgrade linux-intel-iotgUpgrade linux-gkeopUpgrade linux-ibm-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-gcp-5.15Upgrade linux-oracle-5.4Upgrade linux-realtimeUpgrade linux-azure-fdeUpgrade linux-gcpUpgrade linux-nvidia-tegra-igxUpgrade linux-oracle-5.15Upgrade linux-aws-5.4Upgrade linux-lowlatencyUpgrade linux-intel-iot-realtimeUpgrade linux-fipsUpgrade linux-azureUpgrade linuxUpgrade linux-ibm-5.4Upgrade linux-gcp-fipsUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-fipsUpgrade linux-raspi-5.4Upgrade linux-gcp-5.4Upgrade linux-azure-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-hwe-5.15Upgrade linux-bluefieldUpgrade linux-raspiUpgrade linux-awsUpgrade linux-iot | Oct 10, 2025 | Oct 4, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Oct 4, 2025 |
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