accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-63873
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 15:16:54 UTC
Updated2026-07-19 15:16:54 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix mm_struct reference leak in aie2_populate_range() aie2_populate_range() jumps back to the again label without calling mmput(mm), leaking a reference to the mm_struct. Add the missing mmput() before jumping to again.

Risk And Classification

EPSS: 0.001550000 probability, percentile 0.050640000 (date 2026-07-20)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f e83fc4c28226be75fbc0c41f2846935ba2b5f949 git Not specified
CNA Linux Linux affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f 21dfec59939120b20d2c7794caaa421f9450be0a git Not specified
CNA Linux Linux affected e486147c912f653ef4b60a6c7dbd4168a4c56a9f 2f41af638c92bac6f1f9275ea2d1901baef578f3 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.36 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.13 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e83fc4c28226be75fbc0c41f2846935ba2b5f949 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/21dfec59939120b20d2c7794caaa421f9450be0a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2f41af638c92bac6f1f9275ea2d1901baef578f3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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