{"id":"CVE-2023-53400","state":"PUBLISHED","title":"ALSA: hda: Fix Oops by 9.1 surround channel names","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.","publishedAt":"2025-09-18T13:33:40.338Z","updatedAt":"2026-05-11T19:44:14.530Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"082dcd51667b29097500c824c37f24da997a6a8a","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"b5694aae4c2d9a288bafce7d38f122769e0428e6","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"4ef155ddf9578bf035964d58739fdcd7dd44b4a4","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"546b1f5f45a355ae0d3a8041cdaca597dfcac825","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"dc8c569d59f17b17d7bca4f68c36bd571659921e","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"fcf637461019e9a5a0c12fc5c42a9db1779b0634","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"3b44ec8c5c44790a82f07e90db45643c762878c6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/pci/hda/hda_generic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.9","versionType":"semver"},{"version":"4.14.316","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.284","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/pci/hda/hda_generic.c"]}],"references":["https://git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8a","https://git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6","https://git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4","https://git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825","https://git.kernel.org/stable/c/e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8","https://git.kernel.org/stable/c/dc8c569d59f17b17d7bca4f68c36bd571659921e","https://git.kernel.org/stable/c/fcf637461019e9a5a0c12fc5c42a9db1779b0634","https://git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53400.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53400","state":"PUBLISHED","datePublished":"2025-09-18T13:33:40.338Z","dateUpdated":"2026-05-11T19:44:14.530Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-17T14:54:09.738Z"},"containers":{"cna":{"title":"ALSA: hda: Fix Oops by 9.1 surround channel names","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"082dcd51667b29097500c824c37f24da997a6a8a","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"b5694aae4c2d9a288bafce7d38f122769e0428e6","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"4ef155ddf9578bf035964d58739fdcd7dd44b4a4","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"546b1f5f45a355ae0d3a8041cdaca597dfcac825","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"dc8c569d59f17b17d7bca4f68c36bd571659921e","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"fcf637461019e9a5a0c12fc5c42a9db1779b0634","versionType":"git"},{"version":"247d85ee068610c50d66ee0cd3130e02c69f5f2e","status":"affected","lessThan":"3b44ec8c5c44790a82f07e90db45643c762878c6","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/pci/hda/hda_generic.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.9","versionType":"semver"},{"version":"4.14.316","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.284","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.244","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.181","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.113","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.30","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.3.4","status":"unaffected","lessThanOrEqual":"6.3.*","versionType":"semver"},{"version":"6.4","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/pci/hda/hda_generic.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8a"},{"url":"https://git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6"},{"url":"https://git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4"},{"url":"https://git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825"},{"url":"https://git.kernel.org/stable/c/e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8"},{"url":"https://git.kernel.org/stable/c/dc8c569d59f17b17d7bca4f68c36bd571659921e"},{"url":"https://git.kernel.org/stable/c/fcf637461019e9a5a0c12fc5c42a9db1779b0634"},{"url":"https://git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:44:14.530Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"4.14.316"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"4.19.284"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.4.244"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.10.181"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"5.15.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.4"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53400","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T19:01:23.428658Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T19:03:06.793Z"}}]}}}