arm64/pageattr: Propagate return value from __change_memory_common

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-68737
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-12-24 13:16:28 UTC
Updated2026-10-13 10:10:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: arm64/pageattr: Propagate return value from __change_memory_common The rodata=on security measure requires that any code path which does vmalloc -> set_memory_ro/set_memory_rox must protect the linear map alias too. Therefore, if such a call fails, we must abort set_memory_* and caller must take appropriate action; currently we are suppressing the error, and there is a real chance of such an error arising post commit a166563e7ec3 ("arm64: mm: support large block mapping when rodata=full"). Therefore, propagate any error to the caller.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8 3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea git Not specified
CNA Linux Linux affected a166563e7ec375b38a0fd3a58f7b77e50a6bc6a8 e5efd56fa157d2e7d789949d1d64eccbac18a897 git Not specified
CNA Linux Linux affected 6.18 Not specified
CNA Linux Linux unaffected 6.18 semver Not specified
CNA Linux Linux unaffected 6.18.2 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/3e2fc1e57a5361633a4bf4222640c6bfe41ff8ea 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e5efd56fa157d2e7d789949d1d64eccbac18a897 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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