wifi: mt76: mt7921: validate CLC firmware records

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Summary

CVECVE-2026-98159
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:47 UTC
Updated2026-09-25 11:17:47 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: validate CLC firmware records The CLC region is supplied by firmware, but the loader trusts the region count and each record length. A malformed image can make the region table pointer precede the firmware buffer, make the record loop fail to advance, or index phy->clc past its end. Validate the table and record bounds before dereferencing or copying.

Risk And Classification

EPSS: 0.001560000 probability, percentile 0.040830000 (date 2026-09-26)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 602a950134ee2940136f60797e4457c3983b06ce git Not specified
CNA Linux Linux affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3896be051e928c891922d91de94c99519d215dff git Not specified
CNA Linux Linux affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3c505e2af16a9320f4355218394a955fbbc65322 git Not specified
CNA Linux Linux affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 9417c5818a0146980c2608fda94c908e604eb033 git Not specified
CNA Linux Linux affected 6.1 Not specified
CNA Linux Linux unaffected 6.1 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 7.2.7 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/9417c5818a0146980c2608fda94c908e604eb033 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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