CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.8. It affects Linux.
CVE
CVE-2021-4203
Severity
MEDIUM
CVSS
6.8
EPSS
1.75%
Linux
Original NVD Description
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
Related CVEs
Other vulnerabilities affecting the same vendor(s)