Privilege escalation in Xen - CVE-2017-15592

 

Privilege escalation in Xen - CVE-2017-15592

Published: November 29, 2017


Vulnerability identifier: #VU9449
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15592
CWE-ID: CWE-264
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows an adjacent attacker to cause DoS conditions or gain elevated privileges on the target system.

The weakness exists due to mishandling of self-linear shadow mappings for translated guests. An adjacent attacker can supply self-linear shadow mappings and cause the hypervisor to crash or possibly gain elevated privileges.

How to mitigate CVE-2017-15592

Install update from vendor's website.

Sources