Description
The XENMEM_exchange handler in Xen 4.2 and earlier does not properly check the memory address, which allows local PV guest OS administrators to cause a denial of service (crash) or possibly gain privileges via unspecified vectors that overwrite memory in the hypervisor reserved range.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://rhn.redhat.com/errata/RHSA-2012-1540.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html ↗
- http://secunia.com/advisories/55082 ↗
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html ↗
- http://www.openwall.com/lists/oss-security/2012/12/03/11 ↗
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html ↗
- http://support.citrix.com/article/CTX135777 ↗
- http://security.gentoo.org/glsa/glsa-201309-24.xml ↗
- http://www.debian.org/security/2012/dsa-2582 ↗
- http://secunia.com/advisories/51397 ↗
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html ↗
- http://secunia.com/advisories/51486 ↗
- http://secunia.com/advisories/51487 ↗
- http://www.securityfocus.com/bid/56797 ↗
- http://secunia.com/advisories/51468 ↗
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html ↗
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80482 ↗
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html ↗
- http://www.osvdb.org/88131 ↗
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html ↗
- http://secunia.com/advisories/51495 ↗
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html ↗