VulnerabilityModified
CVE-2012-5513
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…
MEDIUM 6.9EPSS 0.41%
Does this matter?
Lower severity and a low EPSS score (0.41%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 0.41% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00051.html
- http://lists.opensuse.org/opensuse-updates/2013-04/msg00052.html
- http://rhn.redhat.com/errata/RHSA-2012-1540.html
- http://secunia.com/advisories/51397Vendor Advisory
- http://secunia.com/advisories/51468Vendor Advisory
- http://secunia.com/advisories/51486Vendor Advisory
- http://secunia.com/advisories/51487Vendor Advisory
- http://secunia.com/advisories/51495Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://support.citrix.com/article/CTX135777
- http://www.debian.org/security/2012/dsa-2582
- http://www.openwall.com/lists/oss-security/2012/12/03/11
- http://www.osvdb.org/88131
- http://www.securityfocus.com/bid/56797
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80482
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00019.html
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.