Privilege escalation in Xen - CVE-2017-10915

 

Privilege escalation in Xen - CVE-2017-10915

Published: July 13, 2017


Vulnerability identifier: #VU7502
CSH Severity: Low
CVSS v4.0: 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-2017-10915
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges.

The weakness exists due to a race condition when managing page references by the shadow-paging feature.. A local OS attacker can gain Xen privileges on the target system.

Successful exploitation of the vulnerability results in privilege escalation.

How to mitigate CVE-2017-10915

Install update from vendor's website.

Sources