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Status published
Medium
CVE-2015-4164
The compat_iret function in Xen 3.1 through 4.5 iterates the...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.securityfocus.com/bid/75149
- http://www.debian.org/security/2015/dsa-3286
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00027.html
- http://www.securitytracker.com/id/1032569
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html
- http://support.citrix.com/article/CTX201145
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html
- http://xenbits.xen.org/xsa/advisory-136.html
- https://security.gentoo.org/glsa/201604-03
- http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html
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Affected Vendor
Affected Software
xen
Vulnerable Versions:
3.1.3, 3.1.4, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6.1, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1, 4.3.4, 4.4.0, 4.4.1, 4.5.0
Timeline
Official Publish:
June 15th, 2015
Last Modified:
August 6th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.