CVE-2026-97575
Last modified
CVE-2026-97575 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate AV1 tile counts The stateless AV1 decoders use tile_info.tile_cols and tile_rows as loop bounds and as indices into the mi_*_starts[] and *_in_sbs_minus_1[] arrays, as the divisor for context_update_tile_id, and their product bounds the per-tile descriptor buffers, but std_validate_compound() does not bound these u8 fields. Reject a V4L2_CTRL_TYPE_AV1_FRAME whose tile_cols or tile_rows exceeds V4L2_AV1_MAX_TILE_COLS / _ROWS, or whose product exceeds V4L2_AV1_MAX_TILE_COUNT.
Description
In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate AV1 tile counts The stateless AV1 decoders use tile_info.tile_cols and tile_rows as loop bounds and as indices into the mi_*_starts[] and *_in_sbs_minus_1[] arrays, as the divisor for context_update_tile_id, and their product bounds the per-tile descriptor buffers, but std_validate_compound() does not bound these u8 fields. Reject a V4L2_CTRL_TYPE_AV1_FRAME whose tile_cols or tile_rows exceeds V4L2_AV1_MAX_TILE_COLS / _ROWS, or whose product exceeds V4L2_AV1_MAX_TILE_COUNT. A zero tile count is left to the consuming driver so the zero-initialised control that existing userspace submits is still accepted.
Metrics
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 9de30f579980b498606a9c2440b73ae3b670771b, < 85df9fc79b07f1cc7c953f930ae7e675d0c1e820; >= 9de30f579980b498606a9c2440b73ae3b670771b, < c8891da0186fe4c04bccbbd7d84b01a3c941ac7a; >= 9de30f579980b498606a9c2440b73ae3b670771b, < c4c88b5ba85685043d171e0e9c9d00a8cf6a89e8; >= 9de30f579980b498606a9c2440b73ae3b670771b, < 439058ced617fbb3febc017b9e93bb7387f309e0 |
| Linux | Linux | 6.5 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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