CVE - CVE-2014-7155

CVE-ID
CVE-2014-7155	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 4.4.x and earlier does not properly check supervisor mode permissions, which allows local HVM users to cause a denial of service (guest crash) or gain guest kernel mode privileges via vectors involving an (1) HLT, (2) LGDT, (3) LIDT, or (4) LMSW instruction.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:http://xenbits.xen.org/xsa/advisory-105.html CONFIRM:http://support.citrix.com/article/CTX200218 DEBIAN:DSA-3041 URL:http://www.debian.org/security/2014/dsa-3041 FEDORA:FEDORA-2014-12000 URL:http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html FEDORA:FEDORA-2014-12036 URL:http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html GENTOO:GLSA-201412-42 URL:http://security.gentoo.org/glsa/glsa-201412-42.xml SUSE:openSUSE-SU-2014:1279 URL:http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html SUSE:openSUSE-SU-2014:1281 URL:http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html BID:70057 URL:http://www.securityfocus.com/bid/70057 SECTRACK:1030888 URL:http://www.securitytracker.com/id/1030888 SECUNIA:61858 URL:http://secunia.com/advisories/61858 SECUNIA:61890 URL:http://secunia.com/advisories/61890
Assigning CNA
N/A
Date Entry Created
20140924	Disclaimer: The entry creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20140924)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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