SB2012112403 - Resource management error in Xen
Published: November 24, 2012 Updated: July 28, 2020
Security Bulletin ID
SB2012112403
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) Resource management error (CVE-ID: CVE-2012-3433)
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service (domain 0 VCPU hang and kernel panic) by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2012-08/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html
- http://lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2531
- http://www.openwall.com/lists/oss-security/2012/08/09/3
- http://www.securityfocus.com/bid/54942