In the Linux kernel, the following vulnerability has been resolved:
drm/client: Fix error code in drmclientbuffervmaplocal()
This function accidentally returns zero/success on the failure path. It leads to locking issues and an uninitialized *map_copy in the caller.
{ "vanir_signatures": [ { "signature_version": "v1", "signature_type": "Function", "target": { "file": "drivers/gpu/drm/drm_client.c", "function": "drm_client_buffer_vmap_local" }, "id": "CVE-2024-42275-a36f69db", "digest": { "length": 305.0, "function_hash": "238754326675845099741260348135588973841" }, "deprecated": false, "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b5fbf924f125ba3638cfdc21c0515eb7e76264ca" }, { "signature_version": "v1", "signature_type": "Line", "target": { "file": "drivers/gpu/drm/drm_client.c" }, "id": "CVE-2024-42275-a97c71f9", "digest": { "line_hashes": [ "32660666133524146402195331417640181024", "332430651526368898158573870984981413053", "278402814639065442141780731960805157313", "163665164582766320509753428974722866338" ], "threshold": 0.9 }, "deprecated": false, "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b5fbf924f125ba3638cfdc21c0515eb7e76264ca" }, { "signature_version": "v1", "signature_type": "Line", "target": { "file": "drivers/gpu/drm/drm_client.c" }, "id": "CVE-2024-42275-a9bb226f", "digest": { "line_hashes": [ "32660666133524146402195331417640181024", "332430651526368898158573870984981413053", "278402814639065442141780731960805157313", "163665164582766320509753428974722866338" ], "threshold": 0.9 }, "deprecated": false, "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c0f412961653237f52e2f16ee8747fb330bcf074" }, { "signature_version": "v1", "signature_type": "Function", "target": { "file": "drivers/gpu/drm/drm_client.c", "function": "drm_client_buffer_vmap_local" }, "id": "CVE-2024-42275-fff70c2d", "digest": { "length": 305.0, "function_hash": "238754326675845099741260348135588973841" }, "deprecated": false, "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c0f412961653237f52e2f16ee8747fb330bcf074" } ] }