Race condition in Xen - CVE-2017-15588

 

Race condition in Xen - CVE-2017-15588

Published: November 29, 2017


Vulnerability identifier: #VU9446
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-15588
CWE-ID: CWE-362
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 gain elevated privileges on the target system.

The weakness exists due to page type release race. An adjacent attacker can supply a stale TLB entry, trigger race condition and execute arbitrary code with elevated privileges.

How to mitigate CVE-2017-15588

Install update from vendor's website.

Sources