crypto: ccp - Fix possible deadlock in SEV init failure path

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-98871
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-23 12:18:20 UTC
Updated2026-10-23 12:18:20 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix possible deadlock in SEV init failure path __sev_platform_init_handle_init_ex_path() calls rmp_mark_pages_firmware() with locked=false while the parent function of init_ex_path already acquired the sev_cmd_mutex. In the case of an RMPUPDATE failure for any page after the first, the cleanup path would invoke reclaim pages which would result in a deadlock in sev_do_cmd. Pass locked=true to honor the lock status of the parent function.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 7364a6fbca45f826952ea932699fb2171d06ee73 8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1 git Not specified
CNA Linux Linux affected 7364a6fbca45f826952ea932699fb2171d06ee73 ffd3a3df92be697eb78118a146c6a5d5e6c1f724 git Not specified
CNA Linux Linux affected 7364a6fbca45f826952ea932699fb2171d06ee73 364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4 git Not specified
CNA Linux Linux affected 7364a6fbca45f826952ea932699fb2171d06ee73 b0e7ec0dab242c5e480121ba12400d0513e37ca2 git Not specified
CNA Linux Linux affected 6.9 Not specified
CNA Linux Linux unaffected 6.9 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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