CVE-2015-4164

xen: iret hypercall handler vulnerability (xsa-136)

Published Jun 15, 2015 CVSS 2.0 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-3286-1 xen security update
EUVD EUVD EUVD-2015-4188 The compat_iret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service (large loop and system hang) via a hypercall_iret call with EFLAGS.VM set.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 6:04 AM
Reserved
Jun 2, 2015, 12:00 AM
Status
Modified
Published
Jun 15, 2015, 3:59 PM
Modified
Jun 17, 2026, 12:26 AM
Severity
Moderate
Public date
Jun 11, 2015, 12:00 AM