CVE-2024-42146

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf<br /> <br /> Any kunit doing any memory access should get their own runtime_pm<br /> outer references since they don&amp;#39;t use the standard driver API<br /> entries. In special this dma_buf from the same driver.<br /> <br /> Found by pre-merge CI on adding WARN calls for unprotected<br /> inner callers:<br /> <br /> [318.639739] # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver<br /> [318.639957] ------------[ cut here ]------------<br /> [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection<br /> [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]