CVE-2017-12134

8.8 HIGH
Published: August 24, 2017 Modified: May 13, 2026
View on NVD

Description

The xen_biovec_phys_mergeable function in drivers/xen/biomerge.c in Xen might allow local OS guest users to corrupt block device data streams and consequently obtain sensitive memory information, cause a denial of service, or gain host OS privileges by leveraging incorrect block IO merge-ability calculation.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/08/15/4
Source: cve@mitre.org
Mailing List Mitigation Third Party Advisory
http://www.securityfocus.com/bid/100343
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039176
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-229.html
Source: cve@mitre.org
Mitigation Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477656
Source: cve@mitre.org
Issue Tracking Mitigation Patch Third Party Advisory
https://support.citrix.com/article/CTX225941
Source: cve@mitre.org
Patch Third Party Advisory
https://usn.ubuntu.com/3655-1/
Source: cve@mitre.org
https://usn.ubuntu.com/3655-2/
Source: cve@mitre.org
http://www.debian.org/security/2017/dsa-3981
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2017/08/15/4
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Mitigation Third Party Advisory
http://www.securityfocus.com/bid/100343
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039176
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://xenbits.xen.org/xsa/advisory-229.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1477656
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Mitigation Patch Third Party Advisory
https://security.gentoo.org/glsa/201801-14
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.citrix.com/article/CTX225941
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://usn.ubuntu.com/3655-1/
Source: af854a3a-2127-422b-91ae-364da2661108
https://usn.ubuntu.com/3655-2/
Source: af854a3a-2127-422b-91ae-364da2661108

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.5%
39th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

xen citrix