In the Linux kernel, the following vulnerability has been resolved:
drm/meson: fix shutdown crash when component not probed
When main component is not probed, by example when the dw-hdmi module is
not loaded yet or in probe defer, the following crash appears on shutdown:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038
...
pc : meson_drv_shutdown+0x24/0x50
lr : platform_drv_shutdown+0x20/0x30
...
Call trace:
meson_drv_shutdown+0x24/0x50
platform_drv_shutdown+0x20/0x30
device_shutdown+0x158/0x360
kernel_restart_prepare+0x38/0x48
kernel_restart+0x18/0x68
__do_sys_reboot+0x224/0x250
__arm64_sys_reboot+0x24/0x30
...
Simply check if the priv struct has been allocated before using it.
References
Configurations
Configuration 1 (hide)
|
History
03 Mar 2025, 17:33
Type | Values Removed | Values Added |
---|---|---|
CPE | cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* |
|
CWE | CWE-476 | |
First Time |
Linux linux Kernel
Linux |
|
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
References | () https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 - Patch | |
References | () https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 - Patch | |
References | () https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b - Patch | |
References | () https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a - Patch | |
References | () https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212 - Patch | |
References | () https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68 - Patch |
Information
Published : 2024-03-25 10:15
Updated : 2025-03-03 17:33
NVD link : CVE-2021-47165
Mitre link : CVE-2021-47165
CVE.ORG link : CVE-2021-47165
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-476
NULL Pointer Dereference