Race condition in Xen - CVE-2017-10914

 

Race condition in Xen - CVE-2017-10914

Published: July 13, 2017


Vulnerability identifier: #VU7501
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-10914
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local attacker to cause DoS conditions.

The weakness exists due to a race condition in the grant-table feature. A local attacker can trigger double free error and memory consumption and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

Affected software

Xen
Gentoo Linux
Fedora
Opensuse
xen (Alpine package)
xen

How to mitigate CVE-2017-10914

Install update from vendor's website.

xen (Alpine package) - update to 4.8.2-r0
xen - addressed in versions 4.6.5-7.fc24, 4.7.2-7.fc25, 4.8.1-4.fc26

External References

Related Security Bulletins