{"id":"CVE-2026-80966","state":"PUBLISHED","title":"ALSA: portman2x4: Check card index validity at probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: portman2x4: Check card index validity at probe\n\nAlthough portman2x4 driver has a check of the given devptr->id value,\nit doesn't check for a negative id, which is often given as \"none\" or\nsuch value when bound via sysfs.  This may lead to OOB access for\nindex[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it's a\nvalue out of the range.","publishedAt":"2026-09-11T19:42:31.160Z","updatedAt":"2026-10-19T08:45:50.251Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"45ea0707298798678a60ff861b695aea049a5469","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"5d7ac5e9ee5ba76b567ace13b46075caf79dcca0","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"0048994854f3e9c57b7a754de43ef8da5818d140","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"64898e9bd8b7b229efa8642b85b56b326a6ec3dc","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"0ce391090809d610647f424b9b1dc24aa2c546fd","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"e1ce8ad1009b1736b3044b3324350dcfdd516f42","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"3690ef20469d5959378260e2752f2314a2572913","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/drivers/portman2x4.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.21","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.21","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/drivers/portman2x4.c"]}],"references":["https://git.kernel.org/stable/c/45ea0707298798678a60ff861b695aea049a5469","https://git.kernel.org/stable/c/5d7ac5e9ee5ba76b567ace13b46075caf79dcca0","https://git.kernel.org/stable/c/0048994854f3e9c57b7a754de43ef8da5818d140","https://git.kernel.org/stable/c/64898e9bd8b7b229efa8642b85b56b326a6ec3dc","https://git.kernel.org/stable/c/0ce391090809d610647f424b9b1dc24aa2c546fd","https://git.kernel.org/stable/c/d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8","https://git.kernel.org/stable/c/e1ce8ad1009b1736b3044b3324350dcfdd516f42","https://git.kernel.org/stable/c/3690ef20469d5959378260e2752f2314a2572913"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80966.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80966","state":"PUBLISHED","datePublished":"2026-09-11T19:42:31.160Z","dateUpdated":"2026-10-19T08:45:50.251Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.810Z"},"containers":{"cna":{"title":"ALSA: portman2x4: Check card index validity at probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: portman2x4: Check card index validity at probe\n\nAlthough portman2x4 driver has a check of the given devptr->id value,\nit doesn't check for a negative id, which is often given as \"none\" or\nsuch value when bound via sysfs.  This may lead to OOB access for\nindex[] and other parameters.\n\nAdd a sanity check for the card index and warn/correct it if it's a\nvalue out of the range."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"45ea0707298798678a60ff861b695aea049a5469","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"5d7ac5e9ee5ba76b567ace13b46075caf79dcca0","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"0048994854f3e9c57b7a754de43ef8da5818d140","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"64898e9bd8b7b229efa8642b85b56b326a6ec3dc","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"0ce391090809d610647f424b9b1dc24aa2c546fd","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"e1ce8ad1009b1736b3044b3324350dcfdd516f42","versionType":"git"},{"version":"757e119bf52b014b3181eed97b01f87a245b8ff9","status":"affected","lessThan":"3690ef20469d5959378260e2752f2314a2572913","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/drivers/portman2x4.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.21","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.21","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.109","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.50","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.4","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/drivers/portman2x4.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/45ea0707298798678a60ff861b695aea049a5469"},{"url":"https://git.kernel.org/stable/c/5d7ac5e9ee5ba76b567ace13b46075caf79dcca0"},{"url":"https://git.kernel.org/stable/c/0048994854f3e9c57b7a754de43ef8da5818d140"},{"url":"https://git.kernel.org/stable/c/64898e9bd8b7b229efa8642b85b56b326a6ec3dc"},{"url":"https://git.kernel.org/stable/c/0ce391090809d610647f424b9b1dc24aa2c546fd"},{"url":"https://git.kernel.org/stable/c/d7ef7890e3e35b4ba09e76fc6b72047a1599a5e8"},{"url":"https://git.kernel.org/stable/c/e1ce8ad1009b1736b3044b3324350dcfdd516f42"},{"url":"https://git.kernel.org/stable/c/3690ef20469d5959378260e2752f2314a2572913"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T08:45:50.251Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.12.109"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"6.18.50"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"7.2.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.21","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}