#VU94402 Memory leak in Linux kernel - CVE-2022-48831
Published: July 17, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94402
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-2022-48831
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 asymmetric_verify() function in security/integrity/digsig_asymmetric.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/0838d6d68182f0b28a5434bc6d50727c4757e35b
- https://git.kernel.org/stable/c/89f586d3398f4cc0432ed870949dffb702940754
- https://git.kernel.org/stable/c/926fd9f23b27ca6587492c3f58f4c7f4cd01dad5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17