{"id":"CVE-2026-97575","revision":"08d380a2e94c4d0ba7351b2cb3b93cbb","records":[{"revision":"08d380a2e94c4d0ba7351b2cb3b93cbb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-97575","aliases":[],"title":"media: v4l2-ctrls: validate AV1 tile counts","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-ctrls: validate AV1 tile counts\n\nThe stateless AV1 decoders use tile_info.tile_cols and tile_rows as loop\nbounds and as indices into the mi_*_starts[] and *_in_sbs_minus_1[]\narrays, as the divisor for context_update_tile_id, and their product\nbounds the per-tile descriptor buffers, but std_validate_compound() does\nnot bound these u8 fields. Reject a V4L2_CTRL_TYPE_AV1_FRAME whose\ntile_cols or tile_rows exceeds V4L2_AV1_MAX_TILE_COLS / _ROWS, or whose\nproduct exceeds V4L2_AV1_MAX_TILE_COUNT. A zero tile count is left to the\nconsuming driver so the zero-initialised control that existing userspace\nsubmits is still accepted.","state":0,"publishedAt":"2026-09-25T10:21:58.7+00:00","modifiedAt":"2026-10-19T09:09:37.843+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                        \"drivers/media/v4l2-core/v4l2-ctrls-core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9de30f579980b498606a9c2440b73ae3b670771b\",\n                            \"lessThan\": \"1afaf85c4990fb1e3168d0d6e99246a65e526f1b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9de30f579980b498606a9c2440b73ae3b670771b\",\n                            \"lessThan\": \"85df9fc79b07f1cc7c953f930ae7e675d0c1e820\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9de30f579980b498606a9c2440b73ae3b670771b\",\n                            \"lessThan\": \"c8891da0186fe4c04bccbbd7d84b01a3c941ac7a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9de30f579980b498606a9c2440b73ae3b670771b\",\n                            \"lessThan\": \"c4c88b5ba85685043d171e0e9c9d00a8cf6a89e8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9de30f579980b498606a9c2440b73ae3b670771b\",\n                            \"lessThan\": \"439058ced617fbb3febc017b9e93bb7387f309e0\",\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                        \"drivers/media/v4l2-core/v4l2-ctrls-core.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/1afaf85c4990fb1e3168d0d6e99246a65e526f1b","https://git.kernel.org/stable/c/85df9fc79b07f1cc7c953f930ae7e675d0c1e820","https://git.kernel.org/stable/c/c8891da0186fe4c04bccbbd7d84b01a3c941ac7a","https://git.kernel.org/stable/c/c4c88b5ba85685043d171e0e9c9d00a8cf6a89e8","https://git.kernel.org/stable/c/439058ced617fbb3febc017b9e93bb7387f309e0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97575","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97575","identifiers":["CVE-2026-97575"]},"retained":false,"historicalAffected":[]}],"coverage":[]}