CVE-2015-8550 - Improper Access Control

Severity

57%

Complexity

31%

Confidentiality

141%

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.

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.

CVSS 3.0 Base Score 8.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 5.7. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:S/C:P/I:P/A:C).

Overview

First reported 8 years ago

2016-04-14 14:59:00

Last updated 7 years ago

2017-11-04 01:29:00

Affected Software

Xen

References

SUSE-SU-2016:0911

SUSE-SU-2016:1102

SUSE-SU-2016:1764

Third Party Advisory

DSA-3434

DSA-3471

DSA-3519

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

79592

Third Party Advisory, VDB Entry

1034479

Third Party Advisory, VDB Entry

http://xenbits.xen.org/xsa/advisory-155.html

Vendor Advisory

GLSA-201604-03

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