CVE-2013-1920
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
Description
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.
- CVSS 2.0
- 4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 0.40% probability · 34th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- xen/xen
- Source
- secalert@redhat.com
References
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.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/2013-06/msg00049.html
- http://lists.xen.org/archives/html/xen-announce/2013-04/msg00000.htmlPatch, Vendor Advisory
- http://osvdb.org/92050
- http://secunia.com/advisories/52857Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2013/04/04/7
- http://www.securityfocus.com/bid/58880
- http://www.securitytracker.com/id/1028388
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83226
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.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/2013-06/msg00049.html
- http://lists.xen.org/archives/html/xen-announce/2013-04/msg00000.htmlPatch, Vendor Advisory
- http://osvdb.org/92050
- http://secunia.com/advisories/52857Vendor Advisory
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2013/04/04/7
- http://www.securityfocus.com/bid/58880
- http://www.securitytracker.com/id/1028388
- https://exchange.xforce.ibmcloud.com/vulnerabilities/83226
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.