Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2017-12134

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.

Published

2017-08-24T14:29:00.193

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-682

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	*	Yes
Application	citrix	xenserver	6.0.2	Yes
Application	citrix	xenserver	6.2.0	Yes
Application	citrix	xenserver	6.5	Yes
Application	citrix	xenserver	7.0	Yes
Application	citrix	xenserver	7.1	Yes
Application	citrix	xenserver	7.2	Yes

References

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