# CVE-2026-31461: drm/amd/display: Fix drm_edid leak in amdgpu_dm

Status: published. Published: 2026-04-22. Updated: 2026-11-05.

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix drm_edid leak in amdgpu_dm

[WHAT]
When a sink is connected, aconnector->drm_edid was overwritten without
freeing the previous allocation, causing a memory leak on resume.

[HOW]
Free the previous drm_edid before updating it.

(cherry picked from commit 52024a94e7111366141cfc5d888b2ef011f879e5)

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Linux / Linux: ≥ 48edb2a4256eedf6c92eecf2bc7744e6ecb44b5e; < eb95595194e4755b62360aa821f40a79b0953105 (affected, git); ≥ 48edb2a4256eedf6c92eecf2bc7744e6ecb44b5e; < 52db857e94b9be4e6315586602b0257d1d2b165a (affected, git); ≥ 48edb2a4256eedf6c92eecf2bc7744e6ecb44b5e; < 37c2caa167b0b8aca4f74c32404c5288b876a2a3 (affected, git). Source: CNA: Linux
- Linux / Linux: 6.13 (affected); ≥ 0; < 6.13 (unaffected, semver); ≥ 6.18.21; ≤ 6.18.* (unaffected, semver); ≥ 6.19.11; ≤ 6.19.* (unaffected, semver); ≥ 7.0; ≤ * (unaffected, original_commit_for_fix). Source: CNA: Linux

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: 0.12% as of 2026-11-05; percentile 1.90%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: Not reported

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://git.kernel.org/stable/c/eb95595194e4755b62360aa821f40a79b0953105 (CNA: Linux)

- https://git.kernel.org/stable/c/52db857e94b9be4e6315586602b0257d1d2b165a (CNA: Linux)

- https://git.kernel.org/stable/c/37c2caa167b0b8aca4f74c32404c5288b876a2a3 (CNA: Linux)

## Provenance

- CNA: Linux: https://www.cve.org/CVERecord?id=CVE-2026-31461; retrieved 2026-11-05; source updated 2026-11-05

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-31461; retrieved 2026-11-05; source updated Not reported

Revision: 70f7d26869ac4263c9bb23148e4755e3c92045af1a58a3928c539b41e06c59a1

Canonical: https://y2.dev/cve/CVE-2026-31461

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