CVE-2026-68106drm/amdgpu: fix division by zero with invalid uvd dimensions
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix division by zero with invalid uvd dimensions When width or height is less than 16, width_in_mb or height_in_mb becomes 0, leading to fs_in_mb being 0. This causes a division by zero when calculating num_dpb_buffer in H264 and H264 Perf decode paths. Add validation to reject frames with width < 16 or height < 16 before performing any calculations that depend on these values. V2: Format change - move up all vaiable definitions. V3: Use warn_once to avoid spam. (cherry picked from commit 3e41d26c70b0a459d041cc19482a226c4b7423cb)
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before 004d0453cfef16f056cb7b8bc04f69f19cf9df32; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before 00ee64910ecf748cc15b23bbcbea472c203ec1e8; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before 81c9b4921f62d1642b9d775524ae9240e521a5ed; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before 52f9a588296432accf2982f7d258192a37562f4f; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before ffb33d466a68cea3e8a3dbed04d79037a3cbabd1; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc; from d38ceaf99ed015f2a0b9af3499791bd3a3daae21 before 0c01c811be47e6b146552dd59bfedbea8f09b8f4 | CNA record |
References
- https://git.kernel.org/stable/c/004d0453cfef16f056cb7b8bc04f69f19cf9df32
- https://git.kernel.org/stable/c/00ee64910ecf748cc15b23bbcbea472c203ec1e8
- https://git.kernel.org/stable/c/81c9b4921f62d1642b9d775524ae9240e521a5ed
- https://git.kernel.org/stable/c/52f9a588296432accf2982f7d258192a37562f4f
- https://git.kernel.org/stable/c/a00946b5ab7c25da5685ca9c58f50ff6f43c0fdf
- https://git.kernel.org/stable/c/ffb33d466a68cea3e8a3dbed04d79037a3cbabd1
- https://git.kernel.org/stable/c/be725ab23aa45c11a5afef3e2a9f6d8c084ae5dc
- https://git.kernel.org/stable/c/0c01c811be47e6b146552dd59bfedbea8f09b8f4
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.