Memory leak in Linux kernel - CVE-2021-47550
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90438
CSH Severity: 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-2021-47550
CWE-ID: CWE-401
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 memory leak within the amdgpu_get_xgmi_hive() function in drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.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/c746945fb6bcbe3863c9ea6369c7ef376e38e5eb
- https://git.kernel.org/stable/c/75752ada77e0726327adf68018b9f50ae091baeb
- https://git.kernel.org/stable/c/27dfaedc0d321b4ea4e10c53e4679d6911ab17aa
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16