rxrpc: Fix UAF in rxgk_issue_challenge()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-74433
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:22:45 UTC
Updated2026-08-15 06:22:45 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix UAF in rxgk_issue_challenge() Fix rxgk_issue_challenge() to free the page containing the challenge content after invoking the tracepoint as the whdr passed to the tracepoint points into the page just freed.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 844b8525ce503405c462ad67f750bec648720397 git Not specified
CNA Linux Linux affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8 git Not specified
CNA Linux Linux affected 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a 107a4cb0d47e735830f852d83970d5c81f8e1e08 git Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.18.40 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/107a4cb0d47e735830f852d83970d5c81f8e1e08 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/844b8525ce503405c462ad67f750bec648720397 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/83bb0ed050e2ad9453d8ef50e4d6e624eac6eed8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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