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CVE-2025-38254: drm/amd/display: Add sanity checks for drm_edid_raw()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-09 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add sanity checks for drm_edid_raw() When EDID is retrieved via drm_edid_raw(), it doesn't guarantee to return proper EDID bytes the caller wants: it may be either NULL (that leads to an Oops) or with too long bytes over the fixed size raw_edid array (that may lead to memory corruption). The latter was reported actually when connected with a bad adapter. Add sanity checks for drm_edid_raw() to address the above corner cases, and return EDID_BAD_INPUT accordingly. (cherry picked from commit 648d3f4d209725d51900d6a3ed46b7b600140cdf)

Affected products

• Linux kernel: from 6.13 before 6.15.5; 6.16-rc1, 6.16-rc2, 6.16-rc3 — fixed in 6.15.5

How to fix

Upgrade to a fixed version: Linux kernel 6.15.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/4b63507d7cd243574753c6b91f68516d9103f1de
• https://git.kernel.org/stable/c/6847b3b6e84ef37451c074e6a8db3fbd250c8dbf

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