#VU91430 Race condition within a thread in Linux kernel - CVE-2022-48689 

 

#VU91430 Race condition within a thread in Linux kernel - CVE-2022-48689

Published: June 8, 2024 / Updated: May 13, 2025


Vulnerability identifier: #VU91430
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48689
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to a data race within the skb_frag_size_add() function in net/ipv4/tcp.c, within the __zerocopy_sg_from_iter() function in net/core/datagram.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.

External links