{"api_version":"1","generated_at":"2026-09-27T03:01:32+00:00","cve":"CVE-2026-98159","urls":{"html":"https://cve.report/CVE-2026-98159","api":"https://cve.report/api/cve/CVE-2026-98159.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98159","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98159"},"summary":{"title":"wifi: mt76: mt7921: validate CLC firmware records","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:47","updated_at":"2026-09-25 11:17:47"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033","name":"https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce","name":"https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322","name":"https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff","name":"https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98159","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98159","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 602a950134ee2940136f60797e4457c3983b06ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3896be051e928c891922d91de94c99519d215dff git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3c505e2af16a9320f4355218394a955fbbc65322 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 9417c5818a0146980c2608fda94c908e604eb033 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98159","cve":"CVE-2026-98159","epss":"0.001560000","percentile":"0.040830000","score_date":"2026-09-26","updated_at":"2026-09-27 00:04:19"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"602a950134ee2940136f60797e4457c3983b06ce","status":"affected","version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","versionType":"git"},{"lessThan":"3896be051e928c891922d91de94c99519d215dff","status":"affected","version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","versionType":"git"},{"lessThan":"3c505e2af16a9320f4355218394a955fbbc65322","status":"affected","version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","versionType":"git"},{"lessThan":"9417c5818a0146980c2608fda94c908e604eb033","status":"affected","version":"23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.1"},{"lessThan":"6.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:36:28.206Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98159","datePublished":"2026-09-25T10:36:28.206Z","dateReserved":"2026-09-25T10:25:14.321Z","dateUpdated":"2026-09-25T10:36:28.206Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:47","lastModifiedDate":"2026-09-25 11:17:47","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98159","Ordinal":"1","Title":"wifi: mt76: mt7921: validate CLC firmware records","CVE":"CVE-2026-98159","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98159","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"wifi: mt76: mt7921: validate CLC firmware records"}]}}}