{"id":"CVE-2026-43436","summary":"ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces\n\nThe Scarlett2 mixer quirk in USB-audio driver may hit a NULL\ndereference when a malformed USB descriptor is passed, since it\nassumes the presence of an endpoint in the parsed interface in\nscarlett2_find_fc_interface(), as reported by fuzzer.\n\nFor avoiding the NULL dereference, just add the sanity check of\nbNumEndpoints and skip the invalid interface.","modified":"2026-07-22T18:15:10.388655400Z","published":"2026-05-08T14:22:06.632Z","related":["SUSE-SU-2026:3130-1","SUSE-SU-2026:3166-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43436.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3d4f23885e4b90347c9a1d779af6e79a99b5172a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d542cf3c4c854cdf5d58049771f68926b9eb2b9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b014cc945baba75816cda0cf8934be87c9ed4947"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b267255c15d2a5b90c4e926146aa155e5161e264"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c5c5a6c53cf3b658f1d4512dfa61f3cd25bc34ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df1d8abf36ca3681c21a6809eaa9a1e01ef897a6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43436.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43436"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6c0a2078134aba6a77291554035304df9e16b85c"},{"fixed":"b014cc945baba75816cda0cf8934be87c9ed4947"},{"fixed":"c5c5a6c53cf3b658f1d4512dfa61f3cd25bc34ba"},{"fixed":"b267255c15d2a5b90c4e926146aa155e5161e264"},{"fixed":"3d542cf3c4c854cdf5d58049771f68926b9eb2b9"},{"fixed":"3d4f23885e4b90347c9a1d779af6e79a99b5172a"},{"fixed":"df1d8abf36ca3681c21a6809eaa9a1e01ef897a6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43436.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.14.0"},{"fixed":"6.1.167"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.130"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.78"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.19"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43436.json"}}],"schema_version":"1.7.5"}