{"id":"CVE-2026-98700","state":"PUBLISHED","title":"wifi: mac80211: set info->band for 802.3 encap offload frames","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: set info->band for 802.3 encap offload frames\n\nUnlike the 802.11 TX paths, ieee80211_8023_xmit() does not set\ninfo->band from the channel context on non-MLD interfaces. It stays at\n0, so ieee80211_get_tx_rates() uses the wrong band for these frames.\n\nSet it the same way as ieee80211_build_hdr(): drop the frame if there is\nno channel context, and leave the band at 0 on MLD interfaces.","publishedAt":"2026-10-18T15:46:30.043Z","updatedAt":"2026-10-30T12:38:51.724Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"a182c0bbb3c0332189f04b241a71455539f58433","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"3ce62fa18975316547c971cf60c4533077a60c48","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"c85c0d897b91c74c0a2c0d0ad29f1ae970dc1e0d","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"6535f7084d95873785a7a93cdca05e8ee83b5601","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"93c1b247224a32f546b616a8fe87b9bab20f0a7f","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"9cedbfde1450028f530e9af950f53491fcaebfeb","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"4febc02cd02f021f2b6d0768332be643ef14a12d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","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":["net/mac80211/tx.c"]}],"references":["https://git.kernel.org/stable/c/a182c0bbb3c0332189f04b241a71455539f58433","https://git.kernel.org/stable/c/3ce62fa18975316547c971cf60c4533077a60c48","https://git.kernel.org/stable/c/c85c0d897b91c74c0a2c0d0ad29f1ae970dc1e0d","https://git.kernel.org/stable/c/6535f7084d95873785a7a93cdca05e8ee83b5601","https://git.kernel.org/stable/c/93c1b247224a32f546b616a8fe87b9bab20f0a7f","https://git.kernel.org/stable/c/9cedbfde1450028f530e9af950f53491fcaebfeb","https://git.kernel.org/stable/c/2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b","https://git.kernel.org/stable/c/4febc02cd02f021f2b6d0768332be643ef14a12d"],"weaknesses":[],"ingestedAt":"2026-10-30T12:58:04.520Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98700.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98700","state":"PUBLISHED","datePublished":"2026-10-18T15:46:30.043Z","dateUpdated":"2026-10-30T12:38:51.724Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.365Z"},"containers":{"cna":{"title":"wifi: mac80211: set info->band for 802.3 encap offload frames","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: set info->band for 802.3 encap offload frames\n\nUnlike the 802.11 TX paths, ieee80211_8023_xmit() does not set\ninfo->band from the channel context on non-MLD interfaces. It stays at\n0, so ieee80211_get_tx_rates() uses the wrong band for these frames.\n\nSet it the same way as ieee80211_build_hdr(): drop the frame if there is\nno channel context, and leave the band at 0 on MLD interfaces."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"a182c0bbb3c0332189f04b241a71455539f58433","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"3ce62fa18975316547c971cf60c4533077a60c48","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"c85c0d897b91c74c0a2c0d0ad29f1ae970dc1e0d","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"6535f7084d95873785a7a93cdca05e8ee83b5601","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"93c1b247224a32f546b616a8fe87b9bab20f0a7f","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"9cedbfde1450028f530e9af950f53491fcaebfeb","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b","versionType":"git"},{"version":"50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec","status":"affected","lessThan":"4febc02cd02f021f2b6d0768332be643ef14a12d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.273","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","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":["net/mac80211/tx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a182c0bbb3c0332189f04b241a71455539f58433"},{"url":"https://git.kernel.org/stable/c/3ce62fa18975316547c971cf60c4533077a60c48"},{"url":"https://git.kernel.org/stable/c/c85c0d897b91c74c0a2c0d0ad29f1ae970dc1e0d"},{"url":"https://git.kernel.org/stable/c/6535f7084d95873785a7a93cdca05e8ee83b5601"},{"url":"https://git.kernel.org/stable/c/93c1b247224a32f546b616a8fe87b9bab20f0a7f"},{"url":"https://git.kernel.org/stable/c/9cedbfde1450028f530e9af950f53491fcaebfeb"},{"url":"https://git.kernel.org/stable/c/2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b"},{"url":"https://git.kernel.org/stable/c/4febc02cd02f021f2b6d0768332be643ef14a12d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:51.724Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}