drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg

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Summary

CVECVE-2026-46230
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-28 10:16:38 UTC
Updated2026-05-28 13:44:01 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 638d3e0b9eb77aa53fdd60e2b928761d16ba76fa git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 870c8738c3774336baedddd0240951d078a703b8 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 638e48ee39d0f2af9336f917a6f5d6692dd64d93 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 b193019860d61e92da395eae2011f2f6716b182f 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/638d3e0b9eb77aa53fdd60e2b928761d16ba76fa 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/870c8738c3774336baedddd0240951d078a703b8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b193019860d61e92da395eae2011f2f6716b182f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/638e48ee39d0f2af9336f917a6f5d6692dd64d93 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e382e0b81a3e7bd21504fee1d01ae8b08f84d3a7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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