High severity · published Apr 19, 2016
CVE-2016-3960
Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage…
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
Integer overflow in the x86 shadow pagetable code in Xen allows local guest OS users to cause a denial of service (host crash) or possibly gain privileges by shadowing a superpage mapping.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 39% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
22; 23; 24 · source: NVD
VS
VM Server · Oracle
3.2; 3.3; 3.4 · source: NVD
XE
Xen · Xen
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3960
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3960
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html
support.citrix.com
http://support.citrix.com/article/CTX209443
www.debian.org
http://www.debian.org/security/2016/dsa-3554
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
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