{"id":"CVE-2024-43912","state":"PUBLISHED","title":"wifi: nl80211: disallow setting special AP channel widths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: disallow setting special AP channel widths\n\nSetting the AP channel width is meant for use with the normal\n20/40/... MHz channel width progression, and switching around\nin S1G or narrow channels isn't supported. Disallow that.","publishedAt":"2024-08-26T10:11:16.868Z","updatedAt":"2026-05-11T20:32:10.873Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"3d42f2125f6c89e1e71c87b9f23412afddbba45e","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"c6ea738e3feb407a3283197d9a25d0788f4f3cee","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"23daf1b4c91db9b26f8425cc7039cf96d22ccbfe","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","versionType":"semver"},{"version":"6.1.105","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.46","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.5","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]}],"references":["https://git.kernel.org/stable/c/3d42f2125f6c89e1e71c87b9f23412afddbba45e","https://git.kernel.org/stable/c/c6ea738e3feb407a3283197d9a25d0788f4f3cee","https://git.kernel.org/stable/c/ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc","https://git.kernel.org/stable/c/23daf1b4c91db9b26f8425cc7039cf96d22ccbfe","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/43xxx/CVE-2024-43912.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-43912","state":"PUBLISHED","datePublished":"2024-08-26T10:11:16.868Z","dateUpdated":"2026-05-11T20:32:10.873Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-17T09:11:59.295Z"},"containers":{"cna":{"title":"wifi: nl80211: disallow setting special AP channel widths","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: disallow setting special AP channel widths\n\nSetting the AP channel width is meant for use with the normal\n20/40/... MHz channel width progression, and switching around\nin S1G or narrow channels isn't supported. Disallow that."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"3d42f2125f6c89e1e71c87b9f23412afddbba45e","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"c6ea738e3feb407a3283197d9a25d0788f4f3cee","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc","versionType":"git"},{"version":"e16821bcfb364b0c41142db275dc74b39fa42c30","status":"affected","lessThan":"23daf1b4c91db9b26f8425cc7039cf96d22ccbfe","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.16","versionType":"semver"},{"version":"6.1.105","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.46","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.5","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/wireless/nl80211.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3d42f2125f6c89e1e71c87b9f23412afddbba45e"},{"url":"https://git.kernel.org/stable/c/c6ea738e3feb407a3283197d9a25d0788f4f3cee"},{"url":"https://git.kernel.org/stable/c/ac3bf6e47fd8da9bfe8027e1acfe0282a91584fc"},{"url":"https://git.kernel.org/stable/c/23daf1b4c91db9b26f8425cc7039cf96d22ccbfe"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:32:10.873Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.1.105"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.6.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.10.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-43912","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T15:28:11.490739Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T17:32:56.472Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:07:17.700Z"}}]}}}