{"cve":"CVE-2023-53400","nvd":{"published":"2025-09-18T14:15:43.293","modified":"2026-06-17T06:45:13.353","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda: Fix Oops by 9.1 surround channel names\n\nget_line_out_pfx() may trigger an Oops by overflowing the static array\nwith more than 8 channels.  This was reported for MacBookPro 12,1 with\nCirrus codec.\n\nAs a workaround, extend for the 9.1 channels and also fix the\npotential Oops by unifying the code paths accessing the same array\nwith the proper size check.","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":[],"references":["https://git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8a","https://git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6","https://git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4","https://git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825","https://git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:10:08.713834912+00:00"},"epss":{"cve":"CVE-2023-53400","score":0.00149,"percentile":0.04043,"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."]}