{"id":"CVE-2026-74497","revision":null,"records":[{"revision":"f814460e0b21481d835d8bd85619f6ef","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74497","aliases":[],"title":"ALSA: usb-audio: Clamp frame size in implicit-feedback mode","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: usb-audio: Clamp frame size in implicit-feedback mode\n\nsnd_usb_handle_sync_urb() scales received sync packet sizes by the sender's\nstride and stores the result directly in out_packet->packet_size[i]. If a\nconnected USB device sends an oversized sync packet, this frame count can\nexceed ep->maxframesize.\n\nThe un-clamped frame count then propagates to the playback endpoint queue,\npotentially driving packet transfers beyond the endpoint's hardware frame\nlimits.\n\nCap the calculated frame count against ep->maxframesize in\nsnd_usb_handle_sync_urb() to prevent oversized packets from entering the\nplayback queue.","state":0,"publishedAt":"2026-08-15T12:27:24.494+00:00","modifiedAt":"2026-10-16T19:05:50.57+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/usb/endpoint.c\"\n ],\n \"versions\": [\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"2d39fea6d3c19a2f5811d123114d92e3d0115fd1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"09cf3dbbb4256a43feb91d2f51f274510a9ada47\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"cfa8d3e0e8b812c4db4d5241f62b6bdbab2bd7be\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"56ac3e7c90f6b45969c3fd07a98fad760ffd6901\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"be97fea7451d758881b95af78e900dd0d58a382a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"2db4535d6af79276a64449201c5be5feffb31c64\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"53f0aa37eb945f3c983f61d12fc35eb33debb8a9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"28acb12014fb0c3e1edfdab1b1e3e266cf651550\",\n \"lessThan\": \"8d7a30c50c2e58a6839634ed0acde14466d1dc61\",\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/usb/endpoint.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.265\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.216\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.183\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.151\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.103\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.44\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.8\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.4,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/2d39fea6d3c19a2f5811d123114d92e3d0115fd1","https://git.kernel.org/stable/c/09cf3dbbb4256a43feb91d2f51f274510a9ada47","https://git.kernel.org/stable/c/cfa8d3e0e8b812c4db4d5241f62b6bdbab2bd7be","https://git.kernel.org/stable/c/56ac3e7c90f6b45969c3fd07a98fad760ffd6901","https://git.kernel.org/stable/c/be97fea7451d758881b95af78e900dd0d58a382a","https://git.kernel.org/stable/c/2db4535d6af79276a64449201c5be5feffb31c64","https://git.kernel.org/stable/c/53f0aa37eb945f3c983f61d12fc35eb33debb8a9","https://git.kernel.org/stable/c/8d7a30c50c2e58a6839634ed0acde14466d1dc61"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74497","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74497","identifiers":["CVE-2026-74497"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0bc6adcd3c0c448aa2e9bc2063d5a999","complete":false,"records":13654,"lastAttemptAt":"2026-11-09T08:14:22.8145543+00:00","lastSuccessAt":"2026-11-09T08:14:22.81+00:00","error":"14 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-09T08:14:22.81+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13684,"expectedIdentifiers":13706,"failedIdentifiers":14},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T08:02:26.2193293+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T08:02:26.2193293+00:00","lastSuccessAt":"2026-11-09T08:02:26.3910394+00:00","error":null,"lastVerifiedAt":"2026-11-09T08:02:26.3910397+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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