Race condition within a thread in Linux kernel - CVE-2022-49632
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104830
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49632
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the sizeof() function in net/ipv4/sysctl_net_ipv4.c, within the __icmp_send() function in net/ipv4/icmp.c. A local user can corrupt data.
Affected software
Linux kernel
How to mitigate CVE-2022-49632
Install update from vendor's website.
Linux kernel - update to 5.18.13