CVEvulnerability

CVE-2015-4164

4.9 MEDIUM Published 2015-06-15 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2015-06-15
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-399

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.

Affected configurations

• xen xen 3.1.3 • xen xen 3.1.4 • xen xen 3.2.0 • xen xen 3.2.1 • xen xen 3.2.2 • xen xen 3.2.3 • xen xen 3.3.0 • xen xen 3.3.1 • xen xen 3.3.2 • xen xen 3.4.0 • xen xen 3.4.1 • xen xen 3.4.2 • xen xen 3.4.3 • xen xen 3.4.4 • xen xen 4.0.0 • xen xen 4.0.1 • xen xen 4.0.2 • xen xen 4.0.3 • xen xen 4.0.4 • xen xen 4.1.0 • xen xen 4.1.1 • xen xen 4.1.2 • xen xen 4.1.3 • xen xen 4.1.4 • xen xen 4.1.5 • xen xen 4.1.6.1 • xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.3.0 • xen xen 4.3.1 • xen xen 4.3.4 • xen xen 4.4.0 • xen xen 4.4.1 • xen xen 4.5.0

Related

Weakness · not in database (1)

References