CVE-2013-4368
LOW · CVSS 1.9EPSS 0.4%EU EUVD
The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.
Key facts
- CVSS score
- 1.9 (v2.0)
- Severity
- LOW
- CVSS vector
AV:L/AC:M/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 0.4% (31th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-4250)
- Published
- October 17, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-4250 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
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/2013-11/msg00009.html
- http://rhn.redhat.com/errata/RHSA-2013-1449.html
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.debian.org/security/2014/dsa-3006
- http://www.openwall.com/lists/oss-security/2013/10/10/10
- https://exchange.xforce.ibmcloud.com/vulnerabilities/87799
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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