{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53648",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-10-07T15:16:59.659Z",
        "datePublished": "2025-10-07T15:19:45.780Z",
        "dateUpdated": "2026-05-11T19:49:13.426Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:49:13.426Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer\n\nsmatch error:\nsound/pci/ac97/ac97_codec.c:2354 snd_ac97_mixer() error:\nwe previously assumed 'rac97' could be null (see line 2072)\n\nremove redundant assignment, return error if rac97 is NULL."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "sound/pci/ac97/ac97_codec.c"
                    ],
                    "versions": [
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "809af7bb4219bdeef0dbb8b2ed700d6516d13fe9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "e4cccff1e7ab6ea30995b6fbbb007d02647e025c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "5f13d67027fa782096e6aee0db5dce61c4aeb613",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "f923a582217b198b557756809ffe42ac0fad6adb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "300e26e3e64880de5013eac8831cf44387ef752c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "d28b83252e150155b8b8c65b612c555e93c8b45f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "09baf460dfba79ee6a0c72e68ccdbbba84d894df",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "228da1fa124470606ac19783e551f9d51a1e01b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "da3cec35dd3c31d8706db4bf379372ce70d92118",
                            "lessThan": "79597c8bf64ca99eab385115743131d260339da5",
                            "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/pci/ac97/ac97_codec.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.28",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.28",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.322",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.291",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.251",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.13",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "2.6.28",
                                    "versionEndExcluding": "4.14.322"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "4.19.291"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "5.4.251"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "5.10.188"
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.1.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.3.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.4.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.28",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df"
                },
                {
                    "url": "https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5"
                }
            ],
            "title": "ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer",
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}