CVE detail
CVE-2013-4368 — CVE-2013-4368
Published 2013-10-17 · Modified 2026-06-16 · Vendor xen · Product xen · Source nvd
UNKNOWN
severity
CVSS-derived band
0.0037
EPSS probability
exploitation probability, 30d
30.0%
EPSS percentile
percentile vs all CVEs
NOT LISTED
CISA KEV
known exploited catalog
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References