SB2012121022 - Input validation error in xen (Alpine package)
Published: December 10, 2012
Security Bulletin ID
SB2012121022
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2012-3498)
The vulnerability allows a local non-authenticated attacker to #BASIC_IMPACT#.
PHYSDEVOP_map_pirq in Xen 4.1 and 4.2 and Citrix XenServer 6.0.2 and earlier allows local HVM guest OS kernels to cause a denial of service (host crash) and possibly read hypervisor or guest memory via vectors related to a missing range check of map->index.
Remediation
Install update from vendor's website.