CVE-2026-99146 drm/i915/dmc: Add sanity check for DMC load address
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2026-99146?
CVE-2026-99146 is a vulnerability in Linux, published on 28 Oct 2026.
Official description
In the Linux kernel, the following vulnerability has been resolved:
drm/i915/dmc: Add sanity check for DMC load address
For DMC firmware header version 3, the firmware load address is stored in dmc_info->start_mmioaddr and later used by dmc_load_program().
Unlike the MMIO address table, the firmware load address is not validated. Add a sanity check to ensure it is within the valid range.
BSpec: 69671, 68378 (cherry picked from commit 5e47ee5c76ca9becde8df4ad5202845b7ffcbc4c)
Which versions are affected by CVE-2026-99146?
How do I fix CVE-2026-99146?
Upgrade to a fixed version.
Is CVE-2026-99146 being exploited?
There is no known exploitation of CVE-2026-99146 in the wild and no public exploit code.
Sources
Also known as AZL-111275, BELL-CVE-2026-99146, DEBIAN-CVE-2026-99146, GHSA-p734-mrrw-8qv9, UBUNTU-CVE-2026-99146.