CVE-2017-12136

high

Description

Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain privileges on the host via vectors involving maptrack free list handling.

References

Advisories
More

https://support.citrix.com/article/CTX225941

https://security.gentoo.org/glsa/201801-14

https://bugzilla.redhat.com/show_bug.cgi?id=1477651

http://www.securitytracker.com/id/1039175

http://www.securityfocus.com/bid/100346

http://www.openwall.com/lists/oss-security/2017/08/15/3

http://www.debian.org/security/2017/dsa-3969

http://xenbits.xen.org/xsa/advisory-228.html

Details

Source: Mitre, NVD

Published: 2017-08-24

Updated: 2025-04-20

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00053