Low severity · published Jan 26, 2017
CVE-2016-9932
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored"…
3.3
CVSS
0.4%
EPSS
No
On KEV
Description
CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
3.3.0; 3.3.1; 3.3.2; 3.4.0; 3.4.1; 3.4.2; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9932
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9932
www.debian.org
http://www.debian.org/security/2017/dsa-3847
Third Party Advisory
http://www.securityfocus.com/bid/94863
Third Party Advisory
http://www.securitytracker.com/id/1037468
Patch
http://xenbits.xen.org/xsa/advisory-200.html
security.gentoo.org
https://security.gentoo.org/glsa/201612-56
Vendor Advisory
https://support.citrix.com/article/CTX219378
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