CVE-2025-39705None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix a Null pointer dereference vulnerability [Why] A null pointer dereference vulnerability exists in the AMD display driver's (DC module) cleanup fun…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
0.1% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: fix a Null pointer dereference vulnerability
[Why] A null pointer dereference vulnerability exists in the AMD display driver's (DC module) cleanup function dc_destruct(). When display control context (dc->ctx) construction fails (due to memory allocation failure), this pointer remains NULL. During subsequent error handling when dc_destruct() is called, there's no NULL check before dereferencing the perf_trace member (dc->ctx->perf_trace), causing a kernel null pointer dereference crash.
[How] Check if dc->ctx is non-NULL before dereferencing.
(Updated commit text and removed unnecessary error message) (cherry picked from commit 9dd8e2ba268c636c240a918e0a31e6feaee19404)
Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 0d9f4f202de1522aadc7a827aba0ae92b3d70937Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 0961673cc5f0055957aa46f25eb4ef6c07e00165Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 4ade995b9b25b3c6e8dc42c27070340f1358d8c8Linux >= 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c < 1bcf63a44381691d6192872801f830ce3250e367Linux 4.15Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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