Vulnerability identifier: #VU7147
Vulnerability risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-362
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Xen
Server applications /
Virtualization software
Vendor: Xen Project
Description
The vulnerability allows a local attacker to gain elevated privileges.
The weakness exists due to race condition in shadow paging emulation. A local attacker on two quest systems can gain host privileges.
Successful exploitation of the vulnerability results in privilege escalation.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Xen: 4.4.0 - 4.8.1
External links
http://xenbits.xen.org/xsa/advisory-219.html
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.