{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89944",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.777Z",
        "datePublished": "2026-09-16T10:32:31.253Z",
        "dateUpdated": "2026-10-19T08:55:18.566Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:55:18.566Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: hdac_hda: Fix hlink refcount leak on component registration failure\n\nhdac_hda_dev_probe() gets the HDA link with snd_hdac_ext_bus_link_get()\nbefore registering the ASoC component. If component registration fails,\nthe function returns without dropping the link reference.\n\nAlways call snd_hdac_ext_bus_link_put() after the registration attempt so\nthe reference taken during probe is balanced on both success and failure."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/soc/codecs/hdac_hda.c"
                    ],
                    "versions": [
                        {
                            "version": "6bae5ea9498926440ffc883f3dbceb0adc65e492",
                            "lessThan": "7eef9ae3b4ef782557526dd8ba0c206f028d8c2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6bae5ea9498926440ffc883f3dbceb0adc65e492",
                            "lessThan": "e8ea01a0457080b0cc7c69c430c0ab65d84dc377",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6bae5ea9498926440ffc883f3dbceb0adc65e492",
                            "lessThan": "cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6bae5ea9498926440ffc883f3dbceb0adc65e492",
                            "lessThan": "6ad4892c4f5cb437a928a02f5b7d37d496aa9268",
                            "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/soc/codecs/hdac_hda.c"
                    ],
                    "versions": [
                        {
                            "version": "4.20",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.20",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "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": "4.20",
                                    "versionEndExcluding": "6.12.110"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "6.18.51"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.20",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7eef9ae3b4ef782557526dd8ba0c206f028d8c2f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e8ea01a0457080b0cc7c69c430c0ab65d84dc377"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cb6b0b1a9d5a61ef841739d42c6211094e9c8e2c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6ad4892c4f5cb437a928a02f5b7d37d496aa9268"
                }
            ],
            "title": "ASoC: hdac_hda: Fix hlink refcount leak on component registration failure",
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        }
    }
}