cxl/region: Fix use-after-free in find_pos_and_ways() error path

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-92484
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-17 17:17:50 UTC
Updated2026-09-17 17:17:50 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix use-after-free in find_pos_and_ways() error path The error path releases its reference to a switch decoder before logging an error that includes the decoder name. If the released reference is the last one, the decoder can be freed before the error message accesses its name. Drop the reference after the error is reported.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9d90ab45d3d393532b7fa62d6a6b7ebbde9cf5fc 68edf359b0b45cad2654510c1ca257079b241aa5 git Not specified
CNA Linux Linux affected b3dc5c735a754142831f705068fcfa77551724ff b38ca9ce8c7d9b8151bb9e4770404c5e39600a48 git Not specified
CNA Linux Linux affected d90acdf49e18029cfe4194475c45ef143657737a f54b96e8aadbfc7f2a1b26df349ef9b062c47d2e git Not specified
CNA Linux Linux affected d90acdf49e18029cfe4194475c45ef143657737a 8f7683ce37a53eeabd721941517341d2eef2cf3c git Not specified
CNA Linux Linux affected d90acdf49e18029cfe4194475c45ef143657737a 15da704b732332cc1e8f121f624e5e6c05124c5d git Not specified
CNA Linux Linux affected 8ad454d3050a40fd616d481e48d1aebb27d9951e git Not specified
CNA Linux Linux affected 6.6.96 6.6.157 semver Not specified
CNA Linux Linux affected 6.12.36 6.12.110 semver Not specified
CNA Linux Linux affected 6.15.5 6.16 semver Not specified
CNA Linux Linux affected 6.16 Not specified
CNA Linux Linux unaffected 6.16 semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.52 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.6 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/f54b96e8aadbfc7f2a1b26df349ef9b062c47d2e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/15da704b732332cc1e8f121f624e5e6c05124c5d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/68edf359b0b45cad2654510c1ca257079b241aa5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/b38ca9ce8c7d9b8151bb9e4770404c5e39600a48 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/8f7683ce37a53eeabd721941517341d2eef2cf3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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