CVE-2014-7188
8.3 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
8.1 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.1%
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Affected configurations
References
lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html
lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
secunia.com/advisories/61664
secunia.com/advisories/61858
secunia.com/advisories/61890
security.gentoo.org/glsa/glsa-201412-42.xml
support.citrix.com/article/CTX200218
support.citrix.com/article/CTX201794
www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
www.debian.org/security/2014/dsa-3041
www.securityfocus.com/bid/70198
www.securitytracker.com/id/1030936
xenbits.xen.org/xsa/advisory-108.html
exchange.xforce.ibmcloud.com/vulnerabilities/96785
Related
8.3 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
8.1 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
73.1%