{"id":"CVE-2026-68309","state":"PUBLISHED","title":"wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()\n\nmt76_connac_get_he_phy_cap routine can theoretically return NULL so\ncheck cap pointer before dereferencing it.","publishedAt":"2026-08-10T12:02:43.950Z","updatedAt":"2026-08-19T16:33:00.744Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"d1f8705d6545d20950991785306d08884b0056fc","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"91eb15c026debd8b7bfbd83f062e6245a4e69964","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"b09508dd7bc4a8948ea00603041a918c09788502","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"2afc2d5098866518a5c446a2e647b1b3f43daaf4","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"c058786b09cfab080125bc3ee7928a181dcbd37a","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"8709c66e665a2a09192853d4f3d0fb4bd0f76403","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"2c1fb2335f5e3afb34f91bc07ecb63517c328090","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mediatek/mt76/mt76_connac_mcu.c"]}],"references":["https://git.kernel.org/stable/c/d1f8705d6545d20950991785306d08884b0056fc","https://git.kernel.org/stable/c/91eb15c026debd8b7bfbd83f062e6245a4e69964","https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502","https://git.kernel.org/stable/c/2afc2d5098866518a5c446a2e647b1b3f43daaf4","https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a","https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403","https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68309.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68309","state":"PUBLISHED","datePublished":"2026-08-10T12:02:43.950Z","dateUpdated":"2026-08-19T16:33:00.744Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.381Z"},"containers":{"cna":{"title":"wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()\n\nmt76_connac_get_he_phy_cap routine can theoretically return NULL so\ncheck cap pointer before dereferencing it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"d1f8705d6545d20950991785306d08884b0056fc","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"91eb15c026debd8b7bfbd83f062e6245a4e69964","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"b09508dd7bc4a8948ea00603041a918c09788502","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"2afc2d5098866518a5c446a2e647b1b3f43daaf4","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"c058786b09cfab080125bc3ee7928a181dcbd37a","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"8709c66e665a2a09192853d4f3d0fb4bd0f76403","versionType":"git"},{"version":"d0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8","status":"affected","lessThan":"2c1fb2335f5e3afb34f91bc07ecb63517c328090","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mediatek/mt76/mt76_connac_mcu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d1f8705d6545d20950991785306d08884b0056fc"},{"url":"https://git.kernel.org/stable/c/91eb15c026debd8b7bfbd83f062e6245a4e69964"},{"url":"https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502"},{"url":"https://git.kernel.org/stable/c/2afc2d5098866518a5c446a2e647b1b3f43daaf4"},{"url":"https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a"},{"url":"https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403"},{"url":"https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:33:00.744Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}