{"id":"CVE-2026-80972","title":"ALSA: aloop: Check card index validity at probe","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: aloop: Check card index validity at probe\n\naloop driver blindly trusts that the given devptr->id value is within\nthe proper card index range at probe.  It's OK fo…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-125"],"vendor":"Linux","product":"Linux","affected":["Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 6da6ffb34a5d54e7e6efebb253899c6a3501a611","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < e35d11102ef0945feaa1dba4e511685911695ab9","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 6fe7d13608a9d1cf5aff9decc0cc653b0f38f537","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < c589aeaadfde1cfedb5c6f0a3c782807282126d9","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 7b3f9855849363e402bf2141df2b428581cbf31b","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < efbc2e9e43a1b5c6d75ae47439c06896bb142ae6","Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 819b106a9fd2ef3fd8abf898b9a8e4524eca8f48","Linux 2.6.37"],"published":"2026-09-11","updated":"2026-10-19","sourceUpdated":"2026-10-19T08:45:56.953Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80972","references":[{"url":"https://git.kernel.org/stable/c/6da6ffb34a5d54e7e6efebb253899c6a3501a611"},{"url":"https://git.kernel.org/stable/c/e35d11102ef0945feaa1dba4e511685911695ab9"},{"url":"https://git.kernel.org/stable/c/6fe7d13608a9d1cf5aff9decc0cc653b0f38f537"},{"url":"https://git.kernel.org/stable/c/c589aeaadfde1cfedb5c6f0a3c782807282126d9"},{"url":"https://git.kernel.org/stable/c/7b3f9855849363e402bf2141df2b428581cbf31b"},{"url":"https://git.kernel.org/stable/c/efbc2e9e43a1b5c6d75ae47439c06896bb142ae6"},{"url":"https://git.kernel.org/stable/c/819b106a9fd2ef3fd8abf898b9a8e4524eca8f48"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80972.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80972"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2532492"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80972"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80972"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-80972.mbox"}],"tags":["cve.org","csaf","vex","red-hat"],"epss":0.00173,"epssPercentile":0.06614,"ingestedAt":"2026-09-14T15:23:07.455Z","slug":"CVE-2026-80972","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nALSA: aloop: Check card index validity at probe\n\naloop driver blindly trusts that the given devptr->id value is within\nthe proper card index range at probe.  It's OK for the devices the\ndriver itself creates at the module probe time, but if the device is\nbound manually via sysfs interface, this could be -1 as \"none\", and\nthis leads to OOB access for index[] 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.\n\n## Affected\n\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 6da6ffb34a5d54e7e6efebb253899c6a3501a611`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < e35d11102ef0945feaa1dba4e511685911695ab9`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 6fe7d13608a9d1cf5aff9decc0cc653b0f38f537`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < c589aeaadfde1cfedb5c6f0a3c782807282126d9`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 7b3f9855849363e402bf2141df2b428581cbf31b`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < efbc2e9e43a1b5c6d75ae47439c06896bb142ae6`\n- `Linux >= 597603d615d2b19a9e451d8cfac24372856a522d < 819b106a9fd2ef3fd8abf898b9a8e4524eca8f48`\n- `Linux 2.6.37`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-09-14 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80972.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":204197,"id":"CVE-2026-80972","ts":1789490240117,"field":"cvss","old":null,"new":"5.5"},{"seq":204196,"id":"CVE-2026-80972","ts":1789490240117,"field":"severity","old":"none","new":"medium"},{"seq":147115,"id":"CVE-2026-80972","ts":1789270195232,"field":"cvss","old":null,"new":"5.2"},{"seq":147114,"id":"CVE-2026-80972","ts":1789270195232,"field":"severity","old":"none","new":"medium"},{"seq":108874,"id":"CVE-2026-80972","ts":1789183729354,"field":"cvss","old":null,"new":"5.2"},{"seq":108873,"id":"CVE-2026-80972","ts":1789183729354,"field":"severity","old":"none","new":"medium"}]}