Medium severity · published Feb 22, 2017
CVE-2016-9377
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial…
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XE
Xen · Xen
4.5.0; 4.5.1; 4.5.2; 4.5.3; 4.5.5; 4.6.0; +5 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-9377
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-9377
www.securityfocus.com
http://www.securityfocus.com/bid/94475
www.securitytracker.com
http://www.securitytracker.com/id/1037345
Patch
http://xenbits.xen.org/xsa/advisory-196.html
security.gentoo.org
https://security.gentoo.org/glsa/201612-56
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