{
    "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"
            }
        }
    }
}