What’s Vulnerable › Vulnerabilities

CVE-2026-80705: drm/amd/display: check if dml21_add_phantom_plane() is successful

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-28 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if dml21_add_phantom_plane() is successful Verify that the phantom plane was allocated to avoid a later segfault. (cherry picked from commit 5adb54abe5a8e82cbff7f8806db30a5f4924329f)

Affected products

• Linux kernel: 6.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/000acb4ce7fb9feba3072ce468ad681f6585cd5d
• https://git.kernel.org/stable/c/062cfd6c678f6647c8841f684d6dadab08d95512
• https://git.kernel.org/stable/c/bea1f73ad69eec36b757adb8e63beb3092f862ee
• https://git.kernel.org/stable/c/ef7d731f1df63d6230e159996c0703aaf5132bac

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