Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-8550

Xen, when used on a system providing PV backends, allows local guest OS administrators to cause a denial of service (host OS crash) or gain privileges by writing to memory shared between the frontend and backend, aka a double fetch vulnerability.

Published

2016-04-14T14:59:04.347

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:S/C:P/I:P/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: COMPLETE

Exploitability Score

3.1

Impact Score

8.5

Weaknesses

Type: Primary
CWE-284

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	xen	xen	-	Yes
Operating System	novell	suse_linux_enterprise_real_time_extension	12	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3434 ([email protected])
http://www.debian.org/security/2016/dsa-3471 ([email protected])
http://www.debian.org/security/2016/dsa-3519 ([email protected])
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html ([email protected])
http://www.securityfocus.com/bid/79592 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1034479 Third Party Advisory, VDB Entry ([email protected])
http://xenbits.xen.org/xsa/advisory-155.html Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201604-03 ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3434 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3471 (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3519 (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/79592 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034479 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://xenbits.xen.org/xsa/advisory-155.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201604-03 (af854a3a-2127-422b-91ae-364da2661108)