{"id":"CVE-2026-93281","state":"PUBLISHED","title":"wifi: rtw89: fix HE extended capability length check","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix HE extended capability length check\n\nrtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability\nbyte 10, but rejects only datalen values below 10.  Byte 10 requires at\nleast 11 bytes.\n\nRequire datalen >= 11 before reading data[10].","publishedAt":"2026-09-24T15:52:23.240Z","updatedAt":"2026-10-19T09:08:35.587Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"eddf53f1edb0cf7f302bd15cdb47cca90948c205","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"655c4401c18d735dbaf2cc172ff4f626b3a896a0","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"bddbd1de765bf6ddc0473ad683910eb3a2a92a43","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"f2a01deff7d0d5cc3dcbf2358dac113979303c8e","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"f132fc01b359a0f7d81fe13d769ea4e7c4baa66e","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"2aba608a86e9b099c9af2ea70b620552dee2b628","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/mac.c"]}],"references":["https://git.kernel.org/stable/c/eddf53f1edb0cf7f302bd15cdb47cca90948c205","https://git.kernel.org/stable/c/655c4401c18d735dbaf2cc172ff4f626b3a896a0","https://git.kernel.org/stable/c/bddbd1de765bf6ddc0473ad683910eb3a2a92a43","https://git.kernel.org/stable/c/f2a01deff7d0d5cc3dcbf2358dac113979303c8e","https://git.kernel.org/stable/c/f132fc01b359a0f7d81fe13d769ea4e7c4baa66e","https://git.kernel.org/stable/c/2aba608a86e9b099c9af2ea70b620552dee2b628"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93281.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93281","state":"PUBLISHED","datePublished":"2026-09-24T15:52:23.240Z","dateUpdated":"2026-10-19T09:08:35.587Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T16:02:15.098Z"},"containers":{"cna":{"title":"wifi: rtw89: fix HE extended capability length check","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: fix HE extended capability length check\n\nrtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability\nbyte 10, but rejects only datalen values below 10.  Byte 10 requires at\nleast 11 bytes.\n\nRequire datalen >= 11 before reading data[10]."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"eddf53f1edb0cf7f302bd15cdb47cca90948c205","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"655c4401c18d735dbaf2cc172ff4f626b3a896a0","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"bddbd1de765bf6ddc0473ad683910eb3a2a92a43","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"f2a01deff7d0d5cc3dcbf2358dac113979303c8e","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"f132fc01b359a0f7d81fe13d769ea4e7c4baa66e","versionType":"git"},{"version":"8d540f9d29162e273797bef36686a010724f0f8a","status":"affected","lessThan":"2aba608a86e9b099c9af2ea70b620552dee2b628","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.1","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/realtek/rtw89/mac.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/eddf53f1edb0cf7f302bd15cdb47cca90948c205"},{"url":"https://git.kernel.org/stable/c/655c4401c18d735dbaf2cc172ff4f626b3a896a0"},{"url":"https://git.kernel.org/stable/c/bddbd1de765bf6ddc0473ad683910eb3a2a92a43"},{"url":"https://git.kernel.org/stable/c/f2a01deff7d0d5cc3dcbf2358dac113979303c8e"},{"url":"https://git.kernel.org/stable/c/f132fc01b359a0f7d81fe13d769ea4e7c4baa66e"},{"url":"https://git.kernel.org/stable/c/2aba608a86e9b099c9af2ea70b620552dee2b628"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:08:35.587Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}