CVE-2014-6268

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-01-12 · updated 2026-06-17
Weakness: CWE-399

Description

The evtchn_fifo_set_pending function in Xen 4.4.x allows local guest users to cause a denial of service (host crash) via vectors involving an uninitialized FIFO-based event channel control block when (1) binding or (2) moving an event to a different VCPU.

Affected products

xen: 4.4.0, 4.4.0-rc1, 4.4.1

References

http://www.securityfocus.com/bid/69753
http://www.securitytracker.com/id/1030829
http://xenbits.xen.org/xsa/advisory-107.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/95837
http://www.securityfocus.com/bid/69753
http://www.securitytracker.com/id/1030829
http://xenbits.xen.org/xsa/advisory-107.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/95837

Get alerted when CVE-2014-6268 or the next vulnerability affects your stack