{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-39705","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-04-16T07:20:57.115Z","datePublished":"2025-09-05T17:21:11.767Z","dateUpdated":"2026-05-11T21:34:40.048Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T21:34:40.048Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: fix a Null pointer dereference vulnerability\n\n[Why]\nA null pointer dereference vulnerability exists in the AMD display driver's\n(DC module) cleanup function dc_destruct().\nWhen display control context (dc->ctx) construction fails\n(due to memory allocation failure), this pointer remains NULL.\nDuring subsequent error handling when dc_destruct() is called,\nthere's no NULL check before dereferencing the perf_trace member\n(dc->ctx->perf_trace), causing a kernel null pointer dereference crash.\n\n[How]\nCheck if dc->ctx is non-NULL before dereferencing.\n\n(Updated commit text and removed unnecessary error message)\n(cherry picked from commit 9dd8e2ba268c636c240a918e0a31e6feaee19404)"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc.c"],"versions":[{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"0961673cc5f0055957aa46f25eb4ef6c07e00165","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"4ade995b9b25b3c6e8dc42c27070340f1358d8c8","status":"affected","versionType":"git"},{"version":"4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c","lessThan":"1bcf63a44381691d6192872801f830ce3250e367","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/display/dc/core/dc.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"6.12.44","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.16.4","lessThanOrEqual":"6.16.*","status":"unaffected","versionType":"semver"},{"version":"6.17","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.12.44"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.16.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.17"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0961673cc5f0055957aa46f25eb4ef6c07e00165"},{"url":"https://git.kernel.org/stable/c/4ade995b9b25b3c6e8dc42c27070340f1358d8c8"},{"url":"https://git.kernel.org/stable/c/1bcf63a44381691d6192872801f830ce3250e367"}],"title":"drm/amd/display: fix a Null pointer dereference vulnerability","x_generator":{"engine":"bippy-1.2.0"}}}}