SB2015011202 - Resource management error in Xen
Published: January 12, 2015 Updated: August 9, 2020
Security Bulletin ID
SB2015011202
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management error (CVE-ID: CVE-2014-6268)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
Remediation
Install update from vendor's website.