{"id":"CVE-2026-43052","state":"PUBLISHED","title":"wifi: mac80211: check tdls flag in ieee80211_tdls_oper","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: check tdls flag in ieee80211_tdls_oper\n\nWhen NL80211_TDLS_ENABLE_LINK is called, the code only checks if the\nstation exists but not whether it is actually a TDLS station. This\nallows the operation to proceed for non-TDLS stations, causing\nunintended side effects like modifying channel context and HT\nprotection before failing.\n\nAdd a check for sta->sta.tdls early in the ENABLE_LINK case, before\nany side effects occur, to ensure the operation is only allowed for\nactual TDLS peers.","publishedAt":"2026-05-01T14:15:46.029Z","updatedAt":"2026-10-15T01:18:53.241Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"e602246235fc2ef06c39b2e9cf147d84d0896b73","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"6813a8b1b240756dad4375f3e020ce10e4e3871b","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"44839ea7e96b3659a1606f3d5267063135479b7c","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"ba5b43db126a5e7378553869e3f7954d9187349f","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"8148c2fda4ebb17104a573649c9b699208ad10ee","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"be81f17151fcb8546a95f35ca8f4231b065985de","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"e77b2937aaa20264e4bd699d3244bdb50e7e3343","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"7d73872d949c488a1d7c308031d6a9d89b5e0a8b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tdls.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","versionType":"semver"},{"version":"5.10.259","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.142","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.81","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.22","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.12","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tdls.c"]}],"references":["https://git.kernel.org/stable/c/e602246235fc2ef06c39b2e9cf147d84d0896b73","https://git.kernel.org/stable/c/6813a8b1b240756dad4375f3e020ce10e4e3871b","https://git.kernel.org/stable/c/44839ea7e96b3659a1606f3d5267063135479b7c","https://git.kernel.org/stable/c/ba5b43db126a5e7378553869e3f7954d9187349f","https://git.kernel.org/stable/c/8148c2fda4ebb17104a573649c9b699208ad10ee","https://git.kernel.org/stable/c/be81f17151fcb8546a95f35ca8f4231b065985de","https://git.kernel.org/stable/c/e77b2937aaa20264e4bd699d3244bdb50e7e3343","https://git.kernel.org/stable/c/7d73872d949c488a1d7c308031d6a9d89b5e0a8b","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43052.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43052","state":"PUBLISHED","datePublished":"2026-05-01T14:15:46.029Z","dateUpdated":"2026-10-15T01:18:53.241Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.980Z"},"containers":{"cna":{"title":"wifi: mac80211: check tdls flag in ieee80211_tdls_oper","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: check tdls flag in ieee80211_tdls_oper\n\nWhen NL80211_TDLS_ENABLE_LINK is called, the code only checks if the\nstation exists but not whether it is actually a TDLS station. This\nallows the operation to proceed for non-TDLS stations, causing\nunintended side effects like modifying channel context and HT\nprotection before failing.\n\nAdd a check for sta->sta.tdls early in the ENABLE_LINK case, before\nany side effects occur, to ensure the operation is only allowed for\nactual TDLS peers."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"e602246235fc2ef06c39b2e9cf147d84d0896b73","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"6813a8b1b240756dad4375f3e020ce10e4e3871b","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"44839ea7e96b3659a1606f3d5267063135479b7c","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"ba5b43db126a5e7378553869e3f7954d9187349f","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"8148c2fda4ebb17104a573649c9b699208ad10ee","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"be81f17151fcb8546a95f35ca8f4231b065985de","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"e77b2937aaa20264e4bd699d3244bdb50e7e3343","versionType":"git"},{"version":"941c93cd039852b7ab02c74f4698c99d82bd6cfe","status":"affected","lessThan":"7d73872d949c488a1d7c308031d6a9d89b5e0a8b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tdls.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.2","versionType":"semver"},{"version":"5.10.259","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.142","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.81","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.22","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.12","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/mac80211/tdls.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e602246235fc2ef06c39b2e9cf147d84d0896b73"},{"url":"https://git.kernel.org/stable/c/6813a8b1b240756dad4375f3e020ce10e4e3871b"},{"url":"https://git.kernel.org/stable/c/44839ea7e96b3659a1606f3d5267063135479b7c"},{"url":"https://git.kernel.org/stable/c/ba5b43db126a5e7378553869e3f7954d9187349f"},{"url":"https://git.kernel.org/stable/c/8148c2fda4ebb17104a573649c9b699208ad10ee"},{"url":"https://git.kernel.org/stable/c/be81f17151fcb8546a95f35ca8f4231b065985de"},{"url":"https://git.kernel.org/stable/c/e77b2937aaa20264e4bd699d3244bdb50e7e3343"},{"url":"https://git.kernel.org/stable/c/7d73872d949c488a1d7c308031d6a9d89b5e0a8b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-19T11:58:09.466Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.6.142"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.12.81"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.18.22"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"6.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.2","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T01:18:53.241Z"},"x_adpType":"supplier"}]}}}