Race condition in Linux kernel - CVE-2023-6200
Published: January 30, 2024 / Updated: June 25, 2024
Vulnerability identifier: #VU85891
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-6200
CWE-ID: CWE-362
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition within the ndisc_router_discovery() function when handling ICMPv6 router advertisement packets. A remote attacker on the local network can send specially crafted ICMPv6 router advertisement packets, trigger a use-after-free error and execute arbitrary code on the system.
Remediation
Install updates from vendor's website.