wifi: p54: validate firmware record lengths

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Summary

CVECVE-2026-99100
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-28 04:18:07 UTC
Updated2026-10-28 04:18:07 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate firmware record lengths The p54 firmware parser accesses component ID and component version records without checking that their lengths cover the fields being read. A malformed record can therefore make the parser read past the record. Validate the component ID and component version record lengths before accessing their data. The descriptor record is also checked against the shortest descriptor length found in the supported firmware images. Reject descriptor values that underflow the RX offset or produce an empty RX range before updating the driver state.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 f641066b0ddcd1b0cf007c0d04f9c966f6e888ae git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 8c4f962f368d5e17481f3c2c5a43028953e137a5 git Not specified
CNA Linux Linux affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 db7b86bd97b380ece8fa39cfdd7502a9fd35e56f git Not specified
CNA Linux Linux affected 6.18.59 semver Not specified
CNA Linux Linux affected 7.2.13 semver Not specified
CNA Linux Linux unaffected 6.18.59 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.13 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/8c4f962f368d5e17481f3c2c5a43028953e137a5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f641066b0ddcd1b0cf007c0d04f9c966f6e888ae 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/db7b86bd97b380ece8fa39cfdd7502a9fd35e56f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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