FreeBSD : xen-kernel -- arm: vgic-v2: GICD_SGIR is not properly emulated (785c86b1-27d6-11e5-a4a5-002590263bf5)

This script is Copyright (C) 2015 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

The Xen Project reports :

When decoding a guest write to a specific register in the virtual
interrupt controller Xen would treat an invalid value as a critical
error and crash the host.

By writing an invalid value to the GICD.SGIR register a guest can
crash the host, resulting in a Denial of Service attack.

See also :

http://xenbits.xen.org/xsa/advisory-117.html
http://www.nessus.org/u?148b8edc

Solution :

Update the affected package.

Risk factor :

Medium / CVSS Base Score : 4.9
(CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 84704 ()

Bugtraq ID:

CVE ID: CVE-2015-0268

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