Security features bypass in FreeBSD - CVE-2021-29628

 

Security features bypass in FreeBSD - CVE-2021-29628

Published: May 27, 2021


Vulnerability identifier: #VU53618
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29628
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists in the SMAP capability implementation.  A local user can bypass SMAP protection and perform unauthorized actions on the system.


Affected software

FreeBSD

How to mitigate CVE-2021-29628

Install updates from vendor's website.


External References

Related Security Bulletins