1. Home
  2. CVE Database
  3. CVE-2013-4368
LOW · 1.9

CVE-2013-4368

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...

Vulnerability Description

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.

CVSS Score

1.9

LOW

AV:L/AC:M/Au:N/C:P/I:N/A:N
Confidentiality
PARTIAL
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
XenXen<= 4.3.0

Related Weaknesses (CWE)

CWE-200

References

FAQ

What is CVE-2013-4368?

CVE-2013-4368 is a vulnerability with a CVSS score of 1.9 (LOW). 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...

How severe is CVE-2013-4368?

CVE-2013-4368 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2013-4368?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.