Vulnerability Details : CVE-2021-47165
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47165
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Exploit prediction scoring system (EPSS) score for CVE-2021-47165
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 12 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47165
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
N/A
|
N/A
|
RedHat-CVE-2021-47165 | 2024-03-25 |
References for CVE-2021-47165
-
https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
-
https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
drm/meson: fix shutdown crash when component not probed - kernel/git/stable/linux.git - Linux kernel stable tree
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