CVE-2016-3960

HIGH
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183275.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183350.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184209.html

http://support.citrix.com/article/CTX209443

http://www.debian.org/security/2016/dsa-3554

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

http://www.securityfocus.com/bid/86318

http://www.securitytracker.com/id/1035587

http://xenbits.xen.org/xsa/advisory-173.html

Details

Source: MITRE

Published: 2016-04-19

Updated: 2016-12-03

Type: CWE-264

Risk Information

CVSS v2

Base Score: 7.2

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.9

Severity: HIGH

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 2

Severity: HIGH

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
94608SUSE SLES11 Security Update : xen (SUSE-SU-2016:2725-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
94269SUSE SLES12 Security Update : xen (SUSE-SU-2016:2533-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
94267SUSE SLES11 Security Update : xen (SUSE-SU-2016:2528-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
94000openSUSE Security Update : xen (openSUSE-2016-1170) (Bunker Buster)NessusSuSE Local Security Checks
critical
93999openSUSE Security Update : xen (openSUSE-2016-1169) (Bunker Buster)NessusSuSE Local Security Checks
critical
93298SUSE SLES11 Security Update : xen (SUSE-SU-2016:2100-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
93296SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:2093-1) (Bunker Buster)NessusSuSE Local Security Checks
critical
92635Debian DLA-571-1 : xen security update (Bunker Buster)NessusDebian Local Security Checks
high
92602OracleVM 3.2 : xen (OVMSA-2016-0090)NessusOracleVM Local Security Checks
high
92601OracleVM 3.3 : xen (OVMSA-2016-0089)NessusOracleVM Local Security Checks
high
92600OracleVM 3.4 : xen (OVMSA-2016-0088) (Bunker Buster)NessusOracleVM Local Security Checks
high
91934FreeBSD : xen-kernel -- x86 shadow pagetables: address width overflow (d51ced72-4212-11e6-942d-bc5ff45d0f28)NessusFreeBSD Local Security Checks
high
91756OracleVM 3.2 : xen (OVMSA-2016-0081)NessusOracleVM Local Security Checks
high
90954Fedora 24 : xen-4.6.1-6.fc24 (2016-48e72b7bc5)NessusFedora Local Security Checks
critical
90814Fedora 22 : xen-4.5.3-2.fc22 (2016-75063477ca)NessusFedora Local Security Checks
critical
90811Fedora 23 : xen-4.5.3-2.fc23 (2016-35d7b09908)NessusFedora Local Security Checks
critical
90638Debian DSA-3554-1 : xen - security updateNessusDebian Local Security Checks
high