CVE-2013-1920
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-1920- CVSS 2.0
- 4.4 Medium
AV:L/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-1920- Updated
- 2026-11-02
EUVDEUVD-2013-1914 No score
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.
- Record
EUVD-2013-1914- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgcf-925j-mrg9 No score
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running "under memory pressure" and the Xen...
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.
- Record
GHSA-xgcf-925j-mrg9- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-1920 is a medium vulnerability (CVSS 4.4) in Xen, published April 12, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 34th percentile. No source names a fixed version.
References
lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
secunia.com/advisories/55082
security.gentoo.org/glsa/glsa-201309-24.xml
lists.xen.org/archives/html/xen-announce/2013-04/msg00000.html
osvdb.org/92050
exchange.xforce.ibmcloud.com/vulnerabilities/83226
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securityfocus.com/bid/58880
securitytracker.com/id/1028388
openwall.com/lists/oss-security/2013/04/04/7
nvd.nist.gov/vuln/detail/CVE-2013-1920
github.com/advisories/GHSA-xgcf-925j-mrg9