CVE-2014-8595

kernel: xen: Missing privilege level checks in x86 emulation of far branches (xsa110)

Published Nov 19, 2014 CVSS 2.0 · 1.9 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 1:25 PM
Reserved
Nov 4, 2014, 12:00 AM
Status
Modified
Published
Nov 19, 2014, 6:59 PM
Modified
Jun 17, 2026, 12:16 AM
Severity
Important
Public date
Nov 18, 2014, 12:00 AM