{"id":"CVE-2026-80965","revision":"02decb0b2ac646dfaa68855be534f1d3","records":[{"revision":"02decb0b2ac646dfaa68855be534f1d3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80965","aliases":[],"title":"ALSA: serial-u16550: Check card index validity at probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: serial-u16550: Check card index validity at probe\n\nserial-u16550 driver blindly trusts that the given devptr->id value is\nwithin the proper card index range at probe.  It's OK for the devices\nthe driver itself creates at the module probe time, but if the device\nis bound 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":"2026-09-11T19:42:30.507+00:00","modifiedAt":"2026-10-19T08:45:49.194+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/serial-u16550.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"41a952304cc8a308748e3f58462c879f2a9c4340\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"cc0f757d017f4271f137c77e130314bb23792347\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"1cb30691dc893aafcbc1e211e94764014c0f5d12\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"487ede9b648fc0eb15866f408c41aac2c57f85d5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"fbf3fb097e66fc1874e54ecc46d600d9325480d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"7555e83d7738e65dc83921e3c85bbdc081f08f2f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9caf6b5908e1e3b10478e9201ca1be809145253f\",\n                            \"lessThan\": \"e0fb960b227fcdebe22e4f26c9486d60943c0424\",\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/serial-u16550.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\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.109\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.50\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.4\",\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/41a952304cc8a308748e3f58462c879f2a9c4340","https://git.kernel.org/stable/c/cc0f757d017f4271f137c77e130314bb23792347","https://git.kernel.org/stable/c/1cb30691dc893aafcbc1e211e94764014c0f5d12","https://git.kernel.org/stable/c/487ede9b648fc0eb15866f408c41aac2c57f85d5","https://git.kernel.org/stable/c/fbf3fb097e66fc1874e54ecc46d600d9325480d6","https://git.kernel.org/stable/c/7555e83d7738e65dc83921e3c85bbdc081f08f2f","https://git.kernel.org/stable/c/6d6fdb24fe2eaf6174fc502284c6e1dc5f7242ba","https://git.kernel.org/stable/c/e0fb960b227fcdebe22e4f26c9486d60943c0424"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80965","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80965","identifiers":["CVE-2026-80965"]},"retained":false,"historicalAffected":[]}],"coverage":[]}