{"id":"CVE-2026-80812","revision":"37b4c3421b6945f88e37b9a588da42b6","records":[{"revision":"37b4c3421b6945f88e37b9a588da42b6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80812","aliases":[],"title":"ALSA: dummy: Check card index validity at probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: dummy: Check card index validity at probe\n\nsnd_dummy_probe() blindly trusts that the given devptr->id value is\nwithin the proper card index range.  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.","state":0,"publishedAt":"2026-09-04T15:13:32.732+00:00","modifiedAt":"2026-10-19T08:44:05.644+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"sound/drivers/dummy.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"b7579e86afcec932e169d10e2d603abed8dd2fdf\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"4d0892a90b57f0e89b274c3f3c51c2fa17937c88\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"b20eb7ecbdaa3e649023fe41b177d90983ffb487\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"c9f10a001c243d1f069ebb0e2f4999ad4043a254\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"f20c2c32ec1c5c3526f29a03b487c55a5890996c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"3dba0e92e18980cb5a4d70a9a263539ae4f0c7ec\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"690b721b9595f9a43395fd4047a832c42b5b6078\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"6e65c1cc4458b2784224759b6137a50d4f65e610\",\n                            \"lessThan\": \"02442d5fe8ee365a084b055d4fa81a0c1abfc3fd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"sound/drivers/dummy.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.218\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.185\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.154\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.106\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.47\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.11\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.1\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b7579e86afcec932e169d10e2d603abed8dd2fdf","https://git.kernel.org/stable/c/4d0892a90b57f0e89b274c3f3c51c2fa17937c88","https://git.kernel.org/stable/c/b20eb7ecbdaa3e649023fe41b177d90983ffb487","https://git.kernel.org/stable/c/c9f10a001c243d1f069ebb0e2f4999ad4043a254","https://git.kernel.org/stable/c/f20c2c32ec1c5c3526f29a03b487c55a5890996c","https://git.kernel.org/stable/c/3dba0e92e18980cb5a4d70a9a263539ae4f0c7ec","https://git.kernel.org/stable/c/690b721b9595f9a43395fd4047a832c42b5b6078","https://git.kernel.org/stable/c/02442d5fe8ee365a084b055d4fa81a0c1abfc3fd"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80812","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80812","identifiers":["CVE-2026-80812"]},"retained":false,"historicalAffected":[]}],"coverage":[]}