{"id":"CVE-2023-53648","summary":"ALSA: ac97: Fix possible NULL dereference in snd_ac97_mixer","details":"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.","modified":"2026-04-02T09:44:42.505801Z","published":"2025-10-07T15:19:45.780Z","related":["SUSE-SU-2025:21040-1","SUSE-SU-2025:21052-1","SUSE-SU-2025:21056-1","SUSE-SU-2025:21064-1","SUSE-SU-2025:4057-1","SUSE-SU-2025:4111-1","SUSE-SU-2025:4128-1","SUSE-SU-2025:4132-1","SUSE-SU-2025:4139-1","SUSE-SU-2025:4140-1","SUSE-SU-2025:4141-1","SUSE-SU-2025:4149-1","SUSE-SU-2025:4189-1","SUSE-SU-2025:4301-1","SUSE-SU-2025:4320-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53648.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df"},{"type":"WEB","url":"https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613"},{"type":"WEB","url":"https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/809af7bb4219bdeef0dbb8b2ed700d6516d13fe9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d28b83252e150155b8b8c65b612c555e93c8b45f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e4cccff1e7ab6ea30995b6fbbb007d02647e025c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f923a582217b198b557756809ffe42ac0fad6adb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53648.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53648"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"da3cec35dd3c31d8706db4bf379372ce70d92118"},{"fixed":"809af7bb4219bdeef0dbb8b2ed700d6516d13fe9"},{"fixed":"e4cccff1e7ab6ea30995b6fbbb007d02647e025c"},{"fixed":"5f13d67027fa782096e6aee0db5dce61c4aeb613"},{"fixed":"f923a582217b198b557756809ffe42ac0fad6adb"},{"fixed":"300e26e3e64880de5013eac8831cf44387ef752c"},{"fixed":"d28b83252e150155b8b8c65b612c555e93c8b45f"},{"fixed":"09baf460dfba79ee6a0c72e68ccdbbba84d894df"},{"fixed":"228da1fa124470606ac19783e551f9d51a1e01b0"},{"fixed":"79597c8bf64ca99eab385115743131d260339da5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53648.json"}}],"schema_version":"1.7.5"}