accel/amdxdna: Fix leak when pinning ubuf pages

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Summary

CVECVE-2026-74423
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:22:44 UTC
Updated2026-08-15 06:22:44 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix leak when pinning ubuf pages When pin_user_pages_fast() returns fewer pages than requested, the pages that were successfully pinned are not released, leading to a leak. Fix this by unpinning any partially pinned pages before returning failure.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected bd72d4acda1069579b35123e3cc0b21ec1193a21 68dc52f308a17c3103a349f722dd5dea32c50a88 git Not specified
CNA Linux Linux affected bd72d4acda1069579b35123e3cc0b21ec1193a21 5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7 git Not specified
CNA Linux Linux affected bd72d4acda1069579b35123e3cc0b21ec1193a21 d946347edc4f0a7b846325323d77e936a4c90d0f git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/d946347edc4f0a7b846325323d77e936a4c90d0f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/68dc52f308a17c3103a349f722dd5dea32c50a88 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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