Memory leak in Linux kernel - CVE-2022-48731
Published: June 20, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU92883
CSH Severity: Low
CVSS v4.0: 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-2022-48731
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kmemleak_scan() function in mm/kmemleak.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48731
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/d3533ee20e9a0e2e8f60384da7450d43d1c63d1a
- https://git.kernel.org/stable/c/352715593e81b917ce1b321e794549815b850134
- https://git.kernel.org/stable/c/a5389c80992f0001ee505838fe6a8b20897ce96e
- https://git.kernel.org/stable/c/cebb0aceb21ad91429617a40e3a17444fabf1529
- https://git.kernel.org/stable/c/c10a0f877fe007021d70f9cada240f42adc2b5db
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.178