drm/amdgpu: Add bounds checking to ib_{get,set}_value

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Summary

CVECVE-2026-46218
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:37 UTC
Updated2026-05-28 13:44:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Add bounds checking to ib_{get,set}_value The uvd/vce/vcn code accesses the IB at predefined offsets without checking that the IB is large enough. Check the bounds here. The caller is responsible for making sure it can handle arbitrary return values. Also make the idx a uint32_t to prevent overflows causing the condition to fail.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 0fb5cb556b249b2b64c0f818136c4c3e838ef53f git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 a853178d23e774adfe3a35073c375b04b3b20f7d git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 fec8b11b55e53ff51a741e56894fe331a516f5c6 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ee26fcf7c5cf131f0b6a732faa27d79ec61b8ec7 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 66085e206431ef88ce36f53c1f53d570790ccc9e git Not specified
CNA Linux Linux affected 6.6.140 semver Not specified
CNA Linux Linux affected 6.12.90 semver Not specified
CNA Linux Linux affected 6.18.32 semver Not specified
CNA Linux Linux affected 7.0.9 semver Not specified
CNA Linux Linux unaffected 6.6.140 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.90 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.32 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.9 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/66085e206431ef88ce36f53c1f53d570790ccc9e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/fec8b11b55e53ff51a741e56894fe331a516f5c6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0fb5cb556b249b2b64c0f818136c4c3e838ef53f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a853178d23e774adfe3a35073c375b04b3b20f7d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ee26fcf7c5cf131f0b6a732faa27d79ec61b8ec7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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