net: sparx5: free the matchall entry on destroy

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-99029
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-23 13:17:25 UTC
Updated2026-10-23 13:17:25 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: net: sparx5: free the matchall entry on destroy sparx5_tc_matchall_replace() allocates a struct sparx5_mall_entry for every offloaded matchall filter and adds it to sparx5->mall_entries. sparx5_tc_matchall_destroy() removes the entry from the list, but never frees it, so the entry of every deleted mirror and goto matchall filter is leaked. Free the entry after unlinking it. The leak was discovered by an AI code review agent, and reproduced with kmemleak on a lan969x EV board (EV23X71A) by repeatedly adding and deleting matchall mirror and goto filters. With the fix, kmemleak no longer reports the leak.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1ede4acf045ced70d9b72465e2e968aec71e0a42 fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e git Not specified
CNA Linux Linux affected 1ede4acf045ced70d9b72465e2e968aec71e0a42 cc7cc5955d22ea90555f09a680d4bf56d4a0c24a git Not specified
CNA Linux Linux affected 1ede4acf045ced70d9b72465e2e968aec71e0a42 44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e git Not specified
CNA Linux Linux affected 1ede4acf045ced70d9b72465e2e968aec71e0a42 2b82e16d6084cbc651e3c902198f1945408ee1a5 git Not specified
CNA Linux Linux affected 6.10 Not specified
CNA Linux Linux unaffected 6.10 semver Not specified
CNA Linux Linux unaffected 6.12.113 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.57 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.11 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2b82e16d6084cbc651e3c902198f1945408ee1a5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cc7cc5955d22ea90555f09a680d4bf56d4a0c24a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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