{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80965",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.810Z",
        "datePublished": "2026-09-11T19:42:30.507Z",
        "dateUpdated": "2026-10-19T08:45:49.194Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:45:49.194Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: serial-u16550: Check card index validity at probe\n\nserial-u16550 driver blindly trusts that the given devptr->id value is\nwithin the proper card index range at probe.  It's OK for the devices\nthe driver itself creates at the module probe time, but if the device\nis bound manually via sysfs interface, this could be -1 as \"none\", and\nthis leads to OOB access for index[] 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/serial-u16550.c"
                    ],
                    "versions": [
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "41a952304cc8a308748e3f58462c879f2a9c4340",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "cc0f757d017f4271f137c77e130314bb23792347",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "1cb30691dc893aafcbc1e211e94764014c0f5d12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "487ede9b648fc0eb15866f408c41aac2c57f85d5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "fbf3fb097e66fc1874e54ecc46d600d9325480d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "7555e83d7738e65dc83921e3c85bbdc081f08f2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "9caf6b5908e1e3b10478e9201ca1be809145253f",
                            "lessThan": "e0fb960b227fcdebe22e4f26c9486d60943c0424",
                            "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/serial-u16550.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.16",
                            "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": "2.6.16",
                                    "versionEndExcluding": "5.10.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "5.15.221"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "6.1.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "6.6.157"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.16",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/41a952304cc8a308748e3f58462c879f2a9c4340"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cc0f757d017f4271f137c77e130314bb23792347"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1cb30691dc893aafcbc1e211e94764014c0f5d12"
                },
                {
                    "url": "https://git.kernel.org/stable/c/487ede9b648fc0eb15866f408c41aac2c57f85d5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424"
                }
            ],
            "title": "ALSA: serial-u16550: Check card index validity at probe",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}