{"id":"CVE-2026-74497","revision":"f814460e0b21481d835d8bd85619f6ef","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":[]}