Description
In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate HEVC tile counts The stateless HEVC decoders read num_tile_columns_minus1 + 1 entries from column_width_minus1[] and num_tile_rows_minus1 + 1 from row_height_minus1[] and use them as tile-loop bounds, but std_validate_compound() does not bound these u8 counts. Reject a V4L2_CTRL_TYPE_HEVC_PPS with tiling enabled whose tile counts exceed the uAPI array capacity, mirroring the existing compound-control range checks.
References7
- git.kernel.org/stable/c/400cd78a63cc647412cf069c9851bdea2818340c
- git.kernel.org/stable/c/724915535558b14c111ad8a498b896026dfe8d20
- git.kernel.org/stable/c/975e0180488966bb709092a52408604bd4f4edd9
- git.kernel.org/stable/c/9c0a718e24d4cd6d975f3df9740f968f62891a20
- git.kernel.org/stable/c/ba1023d3a6d5d244d59f20c4ba6af4879ae08a9f
- git.kernel.org/stable/c/c7b1ef6dc57f4e57fe27cfdd3bf82033ed91ca34
- git.kernel.org/stable/c/dc694a9929f7cb9c88ef91e45eb982b7bbe5a477
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 9 November 2026
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