{"cve":"CVE-2023-53648","nvd":{"published":"2025-10-07T16:15:48.257","modified":"2026-06-17T06:45:47.583","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/09baf460dfba79ee6a0c72e68ccdbbba84d894df","https://git.kernel.org/stable/c/228da1fa124470606ac19783e551f9d51a1e01b0","https://git.kernel.org/stable/c/300e26e3e64880de5013eac8831cf44387ef752c","https://git.kernel.org/stable/c/5f13d67027fa782096e6aee0db5dce61c4aeb613","https://git.kernel.org/stable/c/79597c8bf64ca99eab385115743131d260339da5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2023-53648","score":0.00213,"percentile":0.11629,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}