{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80635", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.777Z", "datePublished": "2026-08-28T06:48:49.637Z", "dateUpdated": "2026-08-28T06:48:49.637Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:48:49.637Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix OOB read from short trigger BA firmware response\n\nThe firmware response length is only checked against sizeof(*rsp) (20\nbytes), but when candidate_cnt >= 1, a 22-byte candidate struct is read\nat buf + 20 without verifying the response contains it. This causes an\nout-of-bounds read of stale heap data, corrupting the BA session state.\n\nAdd validation that the response includes the candidate data."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "versions": [{"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "04aba50212f9f274e1a726fb3873b5ce8da2d821", "status": "affected", "versionType": "git"}, {"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "c07aa0534d50361183833e3803204044cf1d0476", "status": "affected", "versionType": "git"}, {"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "d0b57bcd0dac6e2c9a3e474ec280e7db0b3edf35", "status": "affected", "versionType": "git"}, {"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "af8f0ea1f0a3a5fb5ed2b8fed3f1501d644597ee", "status": "affected", "versionType": "git"}, {"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "d0cafe6ed8d1f6d0097eda31d85f5760d4f359c2", "status": "affected", "versionType": "git"}, {"version": "16be1ac55944412e8d132b1db26f994b368c5742", "lessThan": "b5e6f21923ca89d90256e7346301056f6502691e", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "versions": [{"version": "4.7", "status": "affected"}, {"version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/04aba50212f9f274e1a726fb3873b5ce8da2d821"}, {"url": "https://git.kernel.org/stable/c/c07aa0534d50361183833e3803204044cf1d0476"}, {"url": "https://git.kernel.org/stable/c/d0b57bcd0dac6e2c9a3e474ec280e7db0b3edf35"}, {"url": "https://git.kernel.org/stable/c/af8f0ea1f0a3a5fb5ed2b8fed3f1501d644597ee"}, {"url": "https://git.kernel.org/stable/c/d0cafe6ed8d1f6d0097eda31d85f5760d4f359c2"}, {"url": "https://git.kernel.org/stable/c/b5e6f21923ca89d90256e7346301056f6502691e"}], "title": "wifi: wcn36xx: fix OOB read from short trigger BA firmware response", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "04aba50212f9f274e1a726fb3873b5ce8da2d821", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}, {"lessThan": "c07aa0534d50361183833e3803204044cf1d0476", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}, {"lessThan": "d0b57bcd0dac6e2c9a3e474ec280e7db0b3edf35", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}, {"lessThan": "af8f0ea1f0a3a5fb5ed2b8fed3f1501d644597ee", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}, {"lessThan": "d0cafe6ed8d1f6d0097eda31d85f5760d4f359c2", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}, {"lessThan": "b5e6f21923ca89d90256e7346301056f6502691e", "status": "affected", "version": "16be1ac55944412e8d132b1db26f994b368c5742", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.7"}, {"lessThan": "4.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix OOB read from short trigger BA firmware response\n\nThe firmware response length is only checked against sizeof(*rsp) (20\nbytes), but when candidate_cnt >= 1, a 22-byte candidate struct is read\nat buf + 20 without verifying the response contains it. This causes an\nout-of-bounds read of stale heap data, corrupting the BA session state.\n\nAdd validation that the response includes the candidate data."}], "id": "CVE-2026-80635", "lastModified": "2026-08-28T08:16:48.400", "metrics": {}, "published": "2026-08-28T08:16:48.400", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/04aba50212f9f274e1a726fb3873b5ce8da2d821"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af8f0ea1f0a3a5fb5ed2b8fed3f1501d644597ee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5e6f21923ca89d90256e7346301056f6502691e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c07aa0534d50361183833e3803204044cf1d0476"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0b57bcd0dac6e2c9a3e474ec280e7db0b3edf35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0cafe6ed8d1f6d0097eda31d85f5760d4f359c2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,04aba50212f9f274e1a726fb3873b5ce8da2d821)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,c07aa0534d50361183833e3803204044cf1d0476)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,d0b57bcd0dac6e2c9a3e474ec280e7db0b3edf35)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,af8f0ea1f0a3a5fb5ed2b8fed3f1501d644597ee)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,d0cafe6ed8d1f6d0097eda31d85f5760d4f359c2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[16be1ac55944412e8d132b1db26f994b368c5742,b5e6f21923ca89d90256e7346301056f6502691e)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "4.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-28T09:30:18.290540+00:00", "updated": "2026-08-28T14:00:06.333397+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-214"]}