CVE-2017-8904

Severity

68%

Complexity

31%

Confidentiality

165%

Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.

Xen through 4.8.x mishandles the "contains segment descriptors" property during GNTTABOP_transfer (aka guest transfer) operations, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-214.

CVSS 3.0 Base Score 8.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).

CVSS 2.0 Base Score 6.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:S/C:C/I:C/A:C).

Overview

Type

Xen

First reported 7 years ago

2017-05-11 19:29:00

Last updated 5 years ago

2019-10-03 00:03:00

Affected Software

Xen 4.8.0

4.8.0

Xen 4.8.1

4.8.1

References

98428

1038387

https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/

Vendor Advisory

GLSA-201705-11

https://xenbits.xen.org/xsa/advisory-214.html

Mitigation, Patch, Vendor Advisory

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