{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98159","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.321Z","datePublished":"2026-09-25T10:36:28.206Z","dateUpdated":"2026-10-03T11:02:44.703Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-03T11:02:44.703Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: validate CLC firmware records\n\nThe CLC region is supplied by firmware, but the loader trusts the\nregion count and each record length. A malformed image can make the\nregion table pointer precede the firmware buffer, make the record loop\nfail to advance, or index phy->clc past its end. Validate the table and\nrecord bounds before dereferencing or copying."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"],"versions":[{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"46673662402884ca55a869e4ebe956e08e8b6b05","status":"affected","versionType":"git"},{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"740272d46ffc8231709a5e774cf5e4a5785b8a02","status":"affected","versionType":"git"},{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"602a950134ee2940136f60797e4457c3983b06ce","status":"affected","versionType":"git"},{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"3896be051e928c891922d91de94c99519d215dff","status":"affected","versionType":"git"},{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"3c505e2af16a9320f4355218394a955fbbc65322","status":"affected","versionType":"git"},{"version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","lessThan":"9417c5818a0146980c2608fda94c908e604eb033","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"],"versions":[{"version":"6.1","status":"affected"},{"version":"0","lessThan":"6.1","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.111","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.7","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.2.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05"},{"url":"https://git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02"},{"url":"https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce"},{"url":"https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff"},{"url":"https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322"},{"url":"https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033"}],"title":"wifi: mt76: mt7921: validate CLC firmware records","x_generator":{"engine":"bippy-1.2.0"}}}}