Vulnerability Report

CVE-2014-7155

Title: Opensuse Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2014-7155.

CWE Category CWE-264
Published Date Oct 02, 2014
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 5.8 CVSS v2.0
Exploit Probability (EPSS)
0.97%

Vulnerability Summary

CVE-2014-7155: 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.

Impacted Vendors

D
debian 1
R
redhat 1
X
xensource_inc 1
O
opensuse 1
X
xen 1
F
fedoraproject 1
S
suse 1

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html http://secunia.com/advisories/61858 http://secunia.com/advisories/61890 http://security.gentoo.org/glsa/glsa-201412-42.xml http://support.citrix.com/article/CTX200218 http://www.debian.org/security/2014/dsa-3041 http://www.securityfocus.com/bid/70057 http://www.securitytracker.com/id/1030888 http://xenbits.xen.org/xsa/advisory-105.html http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html http://secunia.com/advisories/61858 http://secunia.com/advisories/61890 http://security.gentoo.org/glsa/glsa-201412-42.xml http://support.citrix.com/article/CTX200218 http://www.debian.org/security/2014/dsa-3041 http://www.securityfocus.com/bid/70057 http://www.securitytracker.com/id/1030888 http://xenbits.xen.org/xsa/advisory-105.html
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:A/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2014-7155 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:A/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.