#VU90498 NULL pointer dereference in Linux kernel - CVE-2021-47362
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90498
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-47362
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the si_dpm_enable() function in drivers/gpu/drm/amd/pm/powerplay/si_dpm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/68d4fbe6220cd1f3d07cab0a4901e62f8c12cc68
- https://git.kernel.org/stable/c/06a18e64256f7aecb5a27df02faa3568fcd3c105
- https://git.kernel.org/stable/c/ab39d3cef526ba09c4c6923b4cd7e6ec1c5d4faa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15