CVE-2026-80915 Affecting linux-6.12 package, versions <6.12.107-1~deb12u1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published20 Sept 2026
- disclosed9 Sept 2026
Introduced: 9 Sep 2026
NewCVE-2026-80915 (opens in a new tab)How to fix?
Upgrade Echo:latest linux-6.12 to version 6.12.107-1~deb12u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream linux-6.12 package and not the linux-6.12 package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
drm/xe: Fix DPT allocation paths.
Remove the fallback for VRAM to system memory, I tested it and that doesn't work at all, only a black screen with pipe fault errors were observed.
On systems with media GT, extra latency is added when accessing stolen memory when the GT is in MC6. Since we additionally aren't counting how much memory is used for stolen and we could in theory fill up the entire stolen area with DPT's, avoid using stolen and only use the default memory region.
Using stolen may also result in random system hangs under load.
(cherry picked from commit a196406a3831291598fe8e73245914f7acffdfe0)
References
- https://advisory.echohq.com/cve/CVE-2026-80915
- https://git.kernel.org/stable/c/491c499295fb0b90308b230b0a1075dcdf7f4d12
- https://git.kernel.org/stable/c/c457e2c845ccbf2224386029f3da4937ba424db0
- https://git.kernel.org/stable/c/f03415030579163f791c978741af7f1f2f6510b7
- https://git.kernel.org/stable/c/fc648757908304aedbad74f74bf58192aec383db