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In the Linux kernel, the following vulnerability has been resolved:
drm/i915: mark requests for GuC virtual engines to avoid use-after-free
References to i915_requests may be trapped by userspace inside a sync_file or dmabuf (dma-resv) and held indefinitely across different proceses. To counter-act the memory leaks, we try to not to keep references from the request past their completion. On the other side on fence release we need to know if rq->engine is valid and points to hw engine (true for non-virtual requests). To make it possible extra bit has been added to rq->execution_mask, for marking virtual engines.
(cherry picked from commit 280410677af763f3871b93e794a199cfcf6fb580)
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-debug-modulesUpgrade kernel-tools-libsUpgrade kernel-zfcpdump-coreUpgrade kernel-rtUpgrade bpftoolUpgrade kernel-docUpgrade kernel-tools-libs-develUpgrade kernel-abi-stablelistsUpgrade kernel-rt-debugUpgrade kernel-rt-develUpgrade kernel-rt-debug-coreUpgrade kernel-rt-modules-extraUpgrade kernel-debug-modules-extraUpgrade kernel-toolsUpgrade perfUpgrade kernel-zfcpdump-modulesUpgrade kernel-rt-modulesUpgrade kernel-headersUpgrade kernel-modulesUpgrade kernel-rt-coreUpgrade kernel-debugUpgrade kernel-debug-coreUpgrade kernel-develUpgrade kernel-coreUpgrade kernel-rt-debug-develUpgrade kernelUpgrade kernel-cross-headersUpgrade python3-perfUpgrade kernel-modules-extraUpgrade kernel-debug-develUpgrade kernel-zfcpdump-develUpgrade kernel-rt-debug-modules-extraUpgrade kernel-zfcpdumpUpgrade kernel-rt-debug-modulesUpgrade kernel-zfcpdump-modules-extra | Jan 22, 2026 | Jan 19, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-libbpf-staticUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-tools-develUpgrade bpftoolUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-toolsUpgrade python3-perf-debuginfoUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade kernel-libbpfUpgrade perfUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-livepatch-6.1.55-75.123Upgrade kernel-debuginfoUpgrade kernel-headers | Oct 24, 2025 | Oct 4, 2025 |
| Debian | — | Upgrade linux | Oct 6, 2025 | Oct 6, 2025 |
| Oracle_linux | — | Upgrade kernel | Jan 23, 2026 | Oct 4, 2025 |
| Redhat_linux | — | Upgrade kernelNo solution existsUpgrade kernel-rt | Nov 14, 2025 | Oct 4, 2025 |
| Rocky_linux | — | Upgrade kernel-tools-libs-develUpgrade perf-debuginfoUpgrade kernel-debug-modules-extraUpgrade kernel-toolsUpgrade kernel-rt-modulesUpgrade kernel-rt-debuginfoUpgrade kernel-rt-debug-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-rt-debug-modules-extraUpgrade kernel-rt-modules-extraUpgrade kernel-rtUpgrade kernel-debug-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-coreUpgrade kernel-rt-debug-debuginfoUpgrade bpftoolUpgrade kernel-tools-debuginfoUpgrade kernel-rt-debuginfo-common-x86_64Upgrade kernel-rt-debug-modulesUpgrade kernel-rt-coreUpgrade kernel-modules-extraUpgrade kernel-modulesUpgrade kernel-rt-debugUpgrade kernel-debug-coreUpgrade kernel-debug-modulesUpgrade kernel-debugUpgrade kernel-debuginfoUpgrade kernel-tools-libsUpgrade kernel-rt-develUpgrade kernel-rt-debug-coreUpgrade kernel-develUpgrade python3-perfUpgrade kernel-rt-debug-kvmUpgrade perfUpgrade kernel-rt-kvmUpgrade kernel-debug-develUpgrade kernelUpgrade python3-perf-debuginfo | Jan 26, 2026 | Jan 24, 2026 |
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