Incorrect calculation in Linux kernel - CVE-2022-50048
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111674
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-2022-50048
CWE-ID: CWE-682
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 incorrect calculation within the nft_set_elem_expr_clone() function in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-50048
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56
- https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29
- https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0