SB2014102305 - Race condition in xen (Alpine package)
Published: October 23, 2014
Security Bulletin ID
SB2014102305
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2014-7154)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Race condition in HVMOP_track_dirty_vram in Xen 4.0.0 through 4.4.x does not ensure possession of the guarding lock for dirty video RAM tracking, which allows certain local guest domains to cause a denial of service via unspecified vectors.
Remediation
Install update from vendor's website.