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In the Linux kernel, the following vulnerability has been resolved:
udp: fix potential use-after-free in tunnel segmentation
__skb_udp_tunnel_segment() gets the UDP header before ensuring the tunnel header is in the skb head. If the pull reallocates skb->head, the saved UDP header pointer is no longer valid.
Get the UDP header after the pull to avoid a potential use-after-free.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-zfcpdump-modules-coreUpgrade kernel-tools-libsUpgrade kernel-rt-64k-coreUpgrade kernel-rt-debug-coreUpgrade kernel-docUpgrade kernel-zfcpdump-modulesUpgrade kernel-64k-debug-modules-extraUpgrade kernel-rtUpgrade kernel-uki-virtUpgrade kernel-64kUpgrade kernel-rt-64k-debug-coreUpgrade libperfUpgrade kernel-debug-devel-matchedUpgrade kernel-headersUpgrade kernel-rt-64k-modules-extraUpgrade kernel-64k-devel-matchedUpgrade rvUpgrade kernel-debug-modules-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-64k-debug-modulesUpgrade kernel-64k-modulesUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-modules-coreUpgrade kernel-rt-modules-coreUpgrade kernel-rt-debug-modules-coreUpgrade kernel-zfcpdumpUpgrade kernel-64k-debug-devel-matchedUpgrade kernel-debug-modulesUpgrade kernel-devel-matchedUpgrade kernel-rt-64k-debugUpgrade kernel-rt-64kUpgrade kernel-rt-64k-debug-develUpgrade kernel-abi-stablelistsUpgrade kernel-zfcpdump-coreUpgrade kernel-64k-coreUpgrade kernel-64k-debugUpgrade kernel-debug-modules-extraUpgrade kernel-rt-modulesUpgrade kernel-rt-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-uki-virt-addonsUpgrade kernel-rt-64k-modules-coreUpgrade kernel-cross-headersUpgrade kernel-rt-modules-extraUpgrade kernel-64k-modules-extraUpgrade kernel-zfcpdump-develUpgrade perfUpgrade kernel-64k-debug-coreUpgrade kernel-modulesUpgrade kernel-rt-64k-modulesUpgrade kernel-64k-debug-develUpgrade kernel-rt-64k-develUpgrade kernelUpgrade kernel-coreUpgrade kernel-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-64k-debug-modules-coreUpgrade kernel-zfcpdump-modules-extraUpgrade kernel-64k-modules-coreUpgrade kernel-rt-debugUpgrade kernel-64k-develUpgrade bpftoolUpgrade kernel-debugUpgrade rtlaUpgrade kernel-debug-coreUpgrade python3-perfUpgrade kernel-rt-coreUpgrade kernel-rt-64k-debug-modules-extraUpgrade kernel-develUpgrade kernel-rt-develUpgrade kernel-debug-uki-virtUpgrade kernel-rt-64k-debug-modules-coreUpgrade kernel-64k-debug-modulesUpgrade kernel-modules-extraUpgrade kernel-rt-debug-devel | Oct 15, 2026 | Oct 14, 2026 |
| Amazon Linux Ami 2 | — | Upgrade bpftoolUpgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.265-265.1078Upgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.15.220-153.252Upgrade kernel-toolsUpgrade kernelUpgrade perf-debuginfoUpgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-headersUpgrade perf | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-toolsUpgrade kernel6.18Upgrade kernel6.18-headersUpgrade kernel6.18-debuginfo-common-aarch64Upgrade perf6.18-debuginfoUpgrade kernel6.18-modules-extraUpgrade kernel-livepatch-6.18.48-107.148Upgrade kernel6.18-develUpgrade python3-perf6.18-debuginfoUpgrade perf6.18Upgrade kernel6.18-tools-debuginfoUpgrade microvm-kernel6.18Upgrade python3-perf6.18Upgrade kernel6.18-tools-develUpgrade bpftool6.18Upgrade kernel6.18-modules-extra-common | Sep 30, 2026 | Aug 22, 2026 |
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Aug 26, 2026 | Aug 26, 2026 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Aug 26, 2026 | Aug 22, 2026 |
| Rocky_linux | — | Upgrade kernel-uki-virtUpgrade kernel-rt-debug-modules-coreUpgrade perfUpgrade kernel-coreUpgrade kernel-debuginfo-common-s390xUpgrade rtlaUpgrade kernel-zfcpdumpUpgrade kernel-rtUpgrade kernel-tools-debuginfoUpgrade kernel-toolsUpgrade kernel-rt-debuginfoUpgrade kernel-debuginfoUpgrade kernel-rt-debug-kvmUpgrade kernel-zfcpdump-modulesUpgrade kernel-devel-matchedUpgrade perf-debuginfoUpgrade libperfUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-modules-coreUpgrade kernel-rt-modulesUpgrade bpftool-debuginfoUpgrade kernel-rt-debug-modules-extraUpgrade kernel-debug-modules-extraUpgrade kernel-rt-debugUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade kernel-debug-modules-coreUpgrade kernel-debug-develUpgrade kernel-debug-uki-virtUpgrade kernel-debug-debuginfoUpgrade kernel-rt-debug-develUpgrade kernel-rt-debug-modulesUpgrade kernel-debug-coreUpgrade kernel-modules-coreUpgrade kernel-debugUpgrade rvUpgrade kernel-rt-modules-extraUpgrade libperf-debuginfoUpgrade kernelUpgrade kernel-uki-virt-addonsUpgrade kernel-tools-libsUpgrade kernel-rt-develUpgrade kernel-rt-debug-debuginfoUpgrade python3-perf-debuginfoUpgrade bpftoolUpgrade kernel-zfcpdump-devel-matchedUpgrade kernel-rt-debug-coreUpgrade python3-perfUpgrade kernel-debug-devel-matchedUpgrade kernel-rt-coreUpgrade kernel-tools-libs-develUpgrade kernel-rt-kvmUpgrade kernel-debug-modulesUpgrade kernel-zfcpdump-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-zfcpdump-modules-coreUpgrade kernel-zfcpdump-coreUpgrade kernel-zfcpdump-develUpgrade kernel-modules-extra-matchedUpgrade kernel-zfcpdump-modules-extra | Oct 15, 2026 | Oct 9, 2026 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1118-gcpUpgrade linux-image-gcp-5.15Upgrade linux-image-5.15.0-1112-nvidiaUpgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-195-lowlatencyUpgrade linux-image-ibm-5.15Upgrade linux-image-awsUpgrade linux-image-gcp-fipsUpgrade linux-image-generic-64k-5.15Upgrade linux-image-gke-5.15Upgrade linux-image-6.8.0-1036-nvidia-tegra-rtUpgrade linux-image-azure-5.15Upgrade linux-image-5.15.0-1122-azure-fdeUpgrade linux-image-lowlatencyUpgrade linux-image-5.15.0-1113-gkeUpgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-5.15.0-1117-aws-fipsUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-aws-fips-5.15Upgrade linux-image-aws-lts-22.04Upgrade linux-image-5.15.0-1100-gkeopUpgrade linux-image-azure-fde-5.15Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-198-generic-64kUpgrade linux-image-azure-fdeUpgrade linux-image-5.15.0-1109-intel-iot-realtimeUpgrade linux-image-generic-5.15Upgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-1123-azure-fipsUpgrade linux-image-5.15.0-1111-ibmUpgrade linux-image-azure-fipsUpgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-azureUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-ibmUpgrade linux-image-kvmUpgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-198-fipsUpgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-virtual-5.15Upgrade linux-image-intel-iotgUpgrade linux-image-azure-fips-5.15Upgrade linux-image-5.15.0-195-lowlatency-64kUpgrade linux-image-5.15.0-1116-realtimeUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-oem-20.04cUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-genericUpgrade linux-image-5.15.0-1118-gcp-fipsUpgrade linux-image-lowlatency-5.15Upgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64kUpgrade linux-image-gcpUpgrade linux-image-5.15.0-1123-azureUpgrade linux-image-5.15.0-1080-xilinx-zynqmpUpgrade linux-image-realtimeUpgrade linux-image-oracleUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-nvidia-5.15Upgrade linux-image-oem-20.04dUpgrade linux-image-oracle-lts-22.04Upgrade linux-image-gkeopUpgrade linux-image-fips-5.15Upgrade linux-image-6.8.0-1036-nvidia-tegraUpgrade linux-image-5.15.0-1112-nvidia-lowlatencyUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-nvidia-tegraUpgrade linux-image-nvidiaUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-intelUpgrade linux-image-gkeUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-aws-5.15Upgrade linux-image-5.15.0-1109-kvmUpgrade linux-image-5.15.0-1117-aws-64kUpgrade linux-image-5.15.0-1114-oracleUpgrade linux-image-5.15.0-198-genericUpgrade linux-image-virtualUpgrade linux-image-kvm-5.15Upgrade linux-image-intel-iotg-5.15Upgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-198-generic-lpaeUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-gkeop-5.15Upgrade linux-image-generic-lpae-5.15Upgrade linux-image-generic-lpaeUpgrade linux-image-azure-cvmUpgrade linux-image-realtime-5.15Upgrade linux-image-fipsUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-aws-64k-5.15Upgrade linux-image-nvidia-tegra-rtUpgrade linux-image-5.15.0-1117-awsUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-oem-20.04bUpgrade linux-image-5.15.0-1112-intel-iotg | Oct 6, 2026 | Oct 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 22, 2026 |
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