CVE-2016-9381

high
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Description

Race condition in QEMU in Xen allows local x86 HVM guest OS administrators to gain privileges by changing certain data on shared rings, aka a "double fetch" vulnerability.

References

http://www.securityfocus.com/bid/94476

http://www.securitytracker.com/id/1037344

http://xenbits.xen.org/xsa/advisory-197.html

https://security.gentoo.org/glsa/201612-56

https://support.citrix.com/article/CTX218775

Details

Source: MITRE

Published: 2017-01-23

Updated: 2020-10-23

Type: CWE-362

Risk Information

CVSS v2

Base Score: 6.9

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

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Impact Score: 6

Exploitability Score: 0.8

Severity: HIGH

Tenable Plugins

View all (26 total)

IDNameProductFamilySeverity
135559EulerOS 2.0 SP3 : qemu-kvm (EulerOS-SA-2020-1430)NessusHuawei Local Security Checks
critical
131585EulerOS 2.0 SP2 : qemu-kvm (EulerOS-SA-2019-2431)NessusHuawei Local Security Checks
critical
99581Ubuntu 14.04 LTS / 16.04 LTS / 16.10 : qemu vulnerabilities (USN-3261-1)NessusUbuntu Local Security Checks
critical
96782Fedora 24 : 2:qemu (2017-12394e2cc7)NessusFedora Local Security Checks
high
96677Fedora 25 : 2:qemu (2017-b953d4d3a4)NessusFedora Local Security Checks
high
96623openSUSE Security Update : qemu (openSUSE-2017-116)NessusSuSE Local Security Checks
high
96529SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2017:0127-1)NessusSuSE Local Security Checks
high
96253openSUSE Security Update : xen (openSUSE-2017-5)NessusSuSE Local Security Checks
high
96252openSUSE Security Update : xen (openSUSE-2017-4)NessusSuSE Local Security Checks
high
96231GLSA-201612-56 : Xen: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
96150SUSE SLES11 Security Update : xen (SUSE-SU-2016:3273-1)NessusSuSE Local Security Checks
high
96032SUSE SLES11 Security Update : xen (SUSE-SU-2016:3174-1)NessusSuSE Local Security Checks
high
95910openSUSE Security Update : xen (openSUSE-2016-1477)NessusSuSE Local Security Checks
high
95822SUSE SLES12 Security Update : xen (SUSE-SU-2016:3156-1)NessusSuSE Local Security Checks
high
95761SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:3083-1)NessusSuSE Local Security Checks
high
95709SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:3067-1)NessusSuSE Local Security Checks
high
95630Xen Multiple Vulnerabilities (XSA-191 - XSA-198)NessusMisc.
high
95624SUSE SLES11 Security Update : xen (SUSE-SU-2016:3044-1)NessusSuSE Local Security Checks
high
95539Citrix XenServer Multiple Vulnerabilities (CTX218775)NessusMisc.
high
95510FreeBSD : xen-tools -- qemu incautious about shared ring processing (58685e23-ba4d-11e6-ae1b-002590263bf5)NessusFreeBSD Local Security Checks
high
95493Fedora 25 : xen (2016-999e1a6927)NessusFedora Local Security Checks
high
95492Fedora 24 : xen (2016-95c104a4c6)NessusFedora Local Security Checks
high
95491Fedora 23 : xen (2016-68b71978a1)NessusFedora Local Security Checks
high
95296Debian DLA-720-1 : xen security updateNessusDebian Local Security Checks
high
95280OracleVM 3.2 : xen (OVMSA-2016-0166)NessusOracleVM Local Security Checks
high
95279OracleVM 3.3 : xen (OVMSA-2016-0165)NessusOracleVM Local Security Checks
high