CVE-2026-74453: drm/vc4: Zero the tile state data array before each BIN job
CSIRTS triage
- What
- Tile state data array not zeroed before BIN job execution allows information disclosure.
- Who is affected
- Systems running affected Linux kernel versions with VC4 DRM driver enabled.
- Urgency
- Moderate; could leak sensitive memory contents to user-space applications.
- Action
- Apply kernel patch zeroing tile state array or update to patched kernel version.
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-2026-74453
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-2026-744530.13% 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-2026-74453 | coverage & exploitation status | NVD · CVE.org |
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