Vulnerability DatabaseCVE-2015-4164
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CVE-2015-4164
Published:June 15, 2015
Updated:May 17, 2026
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.
Related Resources (13)
http://xenbits.xen.org/xsa/advisory-136.html
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
http://www.securitytracker.com/id/1032569
http://www.debian.org/security/2015/dsa-3286
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
http://www.securityfocus.com/bid/75149
http://support.citrix.com/article/CTX201145
https://security.gentoo.org/glsa/201604-03
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00014.html
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
https://access.redhat.com/security/cve/CVE-2015-4164
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CVSS v3
Base Score:
6.2
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
CVSS v2
Base Score:
4.9
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
EPSS
Base Score:
0.07