Memory leak in Linux kernel - CVE-2022-48642
Published: May 30, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU89996
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-2022-48642
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 nf_tables_addchain() function in net/netfilter/nf_tables_api.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/b043a525a3f5520abb676a7cd8f6328fdf959e88
- https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852
- https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714
- https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17ac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0