CVE-2026-80540: drm/amdgpu: Fix UVD decode image min size calculation
CSIRTS triage
- What
- AMD GPU DRM driver calculates UVD decode image minimum size incorrectly, allowing undersized buffer allocation.
- Who is affected
- Systems with AMD GPUs performing video decode operations using amdgpu driver.
- Urgency
- Low priority; CVSS 3.3 score, not currently exploited.
- Action
- Apply kernel patch when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80540
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-805400.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-80540 | coverage & exploitation status | NVD · CVE.org |
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