Memory leak in Linux kernel - CVE-2022-49358
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104256
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49358
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nft_commit_release() and nf_tables_commit() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49358
Install update from vendor's website.
Linux kernel - update to 5.15.47
External References
- https://git.kernel.org/stable/c/330c0c6cd2150a2d7f47af16aa590078b0d2f736
- https://git.kernel.org/stable/c/5b8d63489c3b701eb2a76f848ec94d8cbc9373b9
- https://git.kernel.org/stable/c/80de9ea1f5b808a6601e91111fae601df2b26369
- https://git.kernel.org/stable/c/9dd732e0bdf538b1b76dc7c157e2b5e560ff30d3
- https://git.kernel.org/stable/c/ab9f34a30c23f656e76f4c5b83125a4e7b53c86e
- https://git.kernel.org/stable/c/e33d9bd563e71f6c6528b96008d65524a459c4dc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47