CVE-2024-42146
MEDIUMLinux Kernel 6.8-6.9.9 - Denial of Service via Unprotected Runtime PM in xe_live_ktest
Title source: llmDescription
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf Any kunit doing any memory access should get their own runtime_pm outer references since they don't use the standard driver API entries. In special this dma_buf from the same driver. Found by pre-merge CI on adding WARN calls for unprotected inner callers: <6> [318.639739] # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver <4> [318.639957] ------------[ cut here ]------------ <4> [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection <4> [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]
References (2)
Core 2
Scores
CVSS v3
5.5
EPSS
0.0020
EPSS Percentile
9.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
Status
published
Products (8)
linux/Kernel
6.8.0 - 6.9.9linux
Linux/Linux
< 6.8
Linux/Linux
6.10
Linux/Linux
6.8
Linux/Linux
6.9.9 - 6.9.*
Linux/Linux
dd08ebf6c3525a7ea2186e636df064ea47281987 - 0888d15ea45ba8ef4508edd1123ea5ad95b58994
Linux/Linux
dd08ebf6c3525a7ea2186e636df064ea47281987 - f9116f658a6217b101e3b4e89f845775b6fb05d9
linux/linux_kernel
6.8 - 6.9.9
Published
Jul 30, 2024
Tracked Since
Feb 18, 2026