CVE-2025-38254
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-09

Last updated on: 2025-11-19

Assigner: kernel.org

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)
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Meta Information
Published
2025-07-09
Last Modified
2025-11-19
Generated
2026-05-07
AI Q&A
2025-07-09
EPSS Evaluated
2026-05-05
NVD
CVE-2025-38254
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
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CWE ID Description
CWE-NVD-CWE-noinfo
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability occurs in the Linux kernel's drm/amd/display component where the function drm_edid_raw() does not properly validate the EDID data it retrieves. The function may return NULL, causing a system crash (Oops), or return data longer than the fixed buffer size, potentially leading to memory corruption. This happens especially when connected to a faulty adapter. The fix adds sanity checks to prevent these issues and returns an error code (EDID_BAD_INPUT) when invalid data is detected.


How can this vulnerability impact me? :

This vulnerability can cause system instability or crashes due to NULL pointer dereferences, and it may also lead to memory corruption, which could be exploited to execute arbitrary code or cause denial of service. The impact arises when the system interacts with a bad adapter that provides malformed EDID data.


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