Input validation error in Xen and Opensuse - CVE-2014-3968
Published: June 5, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41574
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-3968
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Xen Project
SUSE
SUSE
Affected software:
Xen
Opensuse
Xen
Opensuse
Detailed vulnerability description
The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.
The HVMOP_inject_msi function in Xen 4.2.x, 4.3.x, and 4.4.x allows local guest HVM administrators to cause a denial of service (host crash) via a large number of crafted requests, which trigger an error messages to be logged.
How to mitigate CVE-2014-3968
Install update from vendor's website.
Sources
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134710.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134739.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://www.openwall.com/lists/oss-security/2014/06/04/13
- http://www.securityfocus.com/bid/67794
- http://www.securityfocus.com/bid/67824
- http://www.securitytracker.com/id/1030322
- http://xenbits.xen.org/xsa/advisory-96.html
- https://security.gentoo.org/glsa/201504-04