{"id":"CVE-2026-68310","state":"PUBLISHED","title":"wifi: mt76: mt7915: guard HE capability lookups","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: guard HE capability lookups\n\nmt7915_mcu_bss_he_tlv() and mt7915_mcu_sta_bfer_tlv() both run after\nchecking HE support, then dereference the HE PHY capability returned by\nmt76_connac_get_he_phy_cap(). That helper can return NULL when no\ncapability entry matches the vif type.\n\nFetch the capability before appending the TLV and skip the HE-specific\nsetup when no matching capability is available.","publishedAt":"2026-08-10T12:02:44.917Z","updatedAt":"2026-08-19T16:33:03.090Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"8d5f1f4d2ea2c9d626ccc28dba7ea0df862acc67","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"23a2b98e754da04e0e90314d5fa8ca44349590fb","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"a031f454f14e3e76ad03bcb23918e1a82b4b0869","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"871549814eb4da081f1e93cc0c7ea626a310a966","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"8e9db062654a388d0fa587acbeeae68dd33eba41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","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/mt7915/mcu.c"]}],"references":["https://git.kernel.org/stable/c/8d5f1f4d2ea2c9d626ccc28dba7ea0df862acc67","https://git.kernel.org/stable/c/23a2b98e754da04e0e90314d5fa8ca44349590fb","https://git.kernel.org/stable/c/a031f454f14e3e76ad03bcb23918e1a82b4b0869","https://git.kernel.org/stable/c/871549814eb4da081f1e93cc0c7ea626a310a966","https://git.kernel.org/stable/c/6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e","https://git.kernel.org/stable/c/8e9db062654a388d0fa587acbeeae68dd33eba41"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68310.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68310","state":"PUBLISHED","datePublished":"2026-08-10T12:02:44.917Z","dateUpdated":"2026-08-19T16:33:03.090Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.381Z"},"containers":{"cna":{"title":"wifi: mt76: mt7915: guard HE capability lookups","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7915: guard HE capability lookups\n\nmt7915_mcu_bss_he_tlv() and mt7915_mcu_sta_bfer_tlv() both run after\nchecking HE support, then dereference the HE PHY capability returned by\nmt76_connac_get_he_phy_cap(). That helper can return NULL when no\ncapability entry matches the vif type.\n\nFetch the capability before appending the TLV and skip the HE-specific\nsetup when no matching capability is available."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"8d5f1f4d2ea2c9d626ccc28dba7ea0df862acc67","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"23a2b98e754da04e0e90314d5fa8ca44349590fb","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"a031f454f14e3e76ad03bcb23918e1a82b4b0869","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"871549814eb4da081f1e93cc0c7ea626a310a966","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e","versionType":"git"},{"version":"e6d557a78b6016eee7b9cd6832343efd32cc0b27","status":"affected","lessThan":"8e9db062654a388d0fa587acbeeae68dd33eba41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.18","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/mt7915/mcu.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8d5f1f4d2ea2c9d626ccc28dba7ea0df862acc67"},{"url":"https://git.kernel.org/stable/c/23a2b98e754da04e0e90314d5fa8ca44349590fb"},{"url":"https://git.kernel.org/stable/c/a031f454f14e3e76ad03bcb23918e1a82b4b0869"},{"url":"https://git.kernel.org/stable/c/871549814eb4da081f1e93cc0c7ea626a310a966"},{"url":"https://git.kernel.org/stable/c/6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e"},{"url":"https://git.kernel.org/stable/c/8e9db062654a388d0fa587acbeeae68dd33eba41"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:33:03.090Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}