arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
Advisories
Source ID Title
Debian DSA Debian DSA DSA-3140-1 xen security update
EUVD EUVD EUVD-2014-8432 arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T13:25:59.956Z

Reserved: 2014-11-04T00:00:00

Link: CVE-2014-8595

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2014-11-19T18:59:11.707

Modified: 2025-04-12T10:46:40.837

Link: CVE-2014-8595

cve-icon Redhat

Severity : Important

Publid Date: 2014-11-18T00:00:00Z

Links: CVE-2014-8595 - Bugzilla

cve-icon OpenCVE Enrichment

No data.