{"id":"CVE-2026-97577","summary":"media: verisilicon: rockchip: reject AV1 frames exceeding the tile capacity","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: verisilicon: rockchip: reject AV1 frames exceeding the tile capacity\n\nrockchip_vpu981_av1_dec_set_tile_info() indexes the tile group entry\narray by tile1 * tile_cols + tile0, reading up to tile_cols * tile_rows\nentries, lays out one descriptor per tile in the AV1_MAX_TILES tile_info\nbuffer, and programs the real tile_cols / tile_rows into the hardware.\n\nThe tile group entry control is a dynamic array sized to the number of\nentries userspace submitted, independent of tile_cols / tile_rows, so a\nframe that claims more tiles than entries reads past the array. A frame\nthat claims more than AV1_MAX_TILES tiles also leaves the hardware\nprogrammed for more tiles than the descriptor buffer holds.\n\nReject both in prepare_run(): tile_cols * tile_rows must not exceed the\nsubmitted entry count or AV1_MAX_TILES. The entry count is read via\nv4l2_ctrl_find() (ctrl-\u003eelems). This mirrors the bound the mediatek AV1\ndecoder already enforces.","modified":"2026-09-26T03:48:29.685022925Z","published":"2026-09-25T10:21:59.950Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97577.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/367db8b23c26a913d76ed70457bbcd781c422b49"},{"type":"WEB","url":"https://git.kernel.org/stable/c/40029f7f35397853f8711d6fce1d90a4c7a01f8c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a41babf528f70c9a82ed31cfb5fe19065910f7f0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd965369220cc160bb20a24991790814bfbab401"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97577.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97577"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"727a400686a2c0d25015c9e44916a59b72882f83"},{"fixed":"40029f7f35397853f8711d6fce1d90a4c7a01f8c"},{"fixed":"a41babf528f70c9a82ed31cfb5fe19065910f7f0"},{"fixed":"fd965369220cc160bb20a24991790814bfbab401"},{"fixed":"367db8b23c26a913d76ed70457bbcd781c422b49"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97577.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-97577.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}