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.
Published: 2013-10-17
Score: 1.9 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Debian DSA Debian DSA DSA-3006-1 xen security update
EUVD EUVD EUVD-2013-4250 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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2024-08-06T16:38:02.062Z

Reserved: 2013-06-12T00:00:00.000Z

Link: CVE-2013-4368

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-10-17T23:55:04.487

Modified: 2026-04-29T01:13:23.040

Link: CVE-2013-4368

cve-icon Redhat

Severity : Moderate

Publid Date: 2013-10-10T00:00:00Z

Links: CVE-2013-4368 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses