#VU58289 Permissions, Privileges, and Access Controls in Xen - CVE-2021-28710
Published: November 22, 2021
Vulnerability identifier: #VU58289
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-28710
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Xen
Xen
Software vendor:
Xen Project
Xen Project
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in certain VT-d IOMMUs, which leads to security restrictions bypass and privilege escalation.
Remediation
Install updates from vendor's website.