#VU61908 Integer overflow in FreeBSD - CVE-2022-23085
Published: April 6, 2022 / Updated: September 21, 2022
Vulnerability identifier: #VU61908
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-23085
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
FreeBSD
FreeBSD
Software vendor:
FreeBSD Foundation
FreeBSD Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to integer overflow within the nmreq_copyin() function in netmap. A local user can trigger integer overflow and execute arbitrary code with elevated privileges. The vulnerability can be used to escape jail environment.
Remediation
Install updates from vendor's website.