{"id":"CVE-2024-42146","summary":"drm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf\n\nAny kunit doing any memory access should get their own runtime_pm\nouter references since they don't use the standard driver API\nentries. In special this dma_buf from the same driver.\n\nFound by pre-merge CI on adding WARN calls for unprotected\ninner callers:\n\n\u003c6\u003e [318.639739]     # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver\n\u003c4\u003e [318.639957] ------------[ cut here ]------------\n\u003c4\u003e [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection\n\u003c4\u003e [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]","modified":"2026-04-02T12:17:50.846984Z","published":"2024-07-30T07:46:39.573Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42146.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0888d15ea45ba8ef4508edd1123ea5ad95b58994"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f9116f658a6217b101e3b4e89f845775b6fb05d9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42146.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42146"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"dd08ebf6c3525a7ea2186e636df064ea47281987"},{"fixed":"0888d15ea45ba8ef4508edd1123ea5ad95b58994"},{"fixed":"f9116f658a6217b101e3b4e89f845775b6fb05d9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42146.json"}}],"schema_version":"1.7.5"}