{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80966",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.810Z",
        "datePublished": "2026-09-11T19:42:31.160Z",
        "dateUpdated": "2026-10-19T08:45:50.251Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:45:50.251Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: portman2x4: Check card index validity at probe\n\nAlthough portman2x4 driver has a check of the given devptr->id value,\nit doesn't check for a negative id, which is often given as \"none\" or\nsuch value when bound via sysfs.  This may lead to OOB access for\nindex[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it's a\nvalue out of the range."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/drivers/portman2x4.c"
                    ],
                    "versions": [
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "45ea0707298798678a60ff861b695aea049a5469",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "5d7ac5e9ee5ba76b567ace13b46075caf79dcca0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "0048994854f3e9c57b7a754de43ef8da5818d140",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "64898e9bd8b7b229efa8642b85b56b326a6ec3dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "0ce391090809d610647f424b9b1dc24aa2c546fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "e1ce8ad1009b1736b3044b3324350dcfdd516f42",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "757e119bf52b014b3181eed97b01f87a245b8ff9",
                            "lessThan": "3690ef20469d5959378260e2752f2314a2572913",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/drivers/portman2x4.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.21",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.21",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.21",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.21",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/45ea0707298798678a60ff861b695aea049a5469"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5d7ac5e9ee5ba76b567ace13b46075caf79dcca0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0048994854f3e9c57b7a754de43ef8da5818d140"
                },
                {
                    "url": "https://git.kernel.org/stable/c/64898e9bd8b7b229efa8642b85b56b326a6ec3dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0ce391090809d610647f424b9b1dc24aa2c546fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e1ce8ad1009b1736b3044b3324350dcfdd516f42"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3690ef20469d5959378260e2752f2314a2572913"
                }
            ],
            "title": "ALSA: portman2x4: Check card index validity at probe",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}