Vulnerability Details : CVE-2016-7094
Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.
Vulnerability category: OverflowDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-7094
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 29 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-7094
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
1.5
|
LOW | AV:L/AC:M/Au:S/C:N/I:N/A:P |
2.7
|
2.9
|
NIST |
4.1
|
MEDIUM | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.5
|
3.6
|
NIST |
CWE ids for CVE-2016-7094
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-7094
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http://www.debian.org/security/2016/dsa-3663
Debian -- Security Information -- DSA-3663-1 xen
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http://www.securityfocus.com/bid/92864
Xen CVE-2016-7094 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://security.gentoo.org/glsa/201611-09
Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security
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http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch
Patch;Vendor Advisory
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http://xenbits.xen.org/xsa/advisory-187.html
XSA-187 - Xen Security AdvisoriesPatch;Vendor Advisory
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http://www.securitytracker.com/id/1036753
Xen Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTrackerThird Party Advisory;VDB Entry
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http://support.citrix.com/article/CTX216071
Citrix XenServer Multiple Security UpdatesThird Party Advisory
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http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Oracle VM Server for x86 Bulletin - July 2016
Products affected by CVE-2016-7094
- cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*