openSUSE Security Update : xen (openSUSE-2017-2)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote openSUSE host is missing a security update.

Description :

This update for xen fixes the following issues :

- A Mishandling of SYSCALL singlestep during emulation
which could have lead to privilege escalation. (XSA-204,
bsc#1016340, CVE-2016-10013)

- CMPXCHG8B emulation failed to ignore operand size
override which could have lead to information
disclosure. (XSA-200, bsc#1012651, CVE-2016-9932)

- PV guests may have been able to mask interrupts causing
a Denial of Service. (XSA-202, bsc#1014298,
CVE-2016-10024)

- A missing NULL pointer check in VMFUNC emulation could
lead to a hypervisor crash leading to a Denial of
Servce. (XSA-203, bsc#1014300, CVE-2016-10025)

This update was imported from the SUSE:SLE-12-SP2:Update update
project.

See also :

https://bugzilla.opensuse.org/show_bug.cgi?id=1012651
https://bugzilla.opensuse.org/show_bug.cgi?id=1014298
https://bugzilla.opensuse.org/show_bug.cgi?id=1014300
https://bugzilla.opensuse.org/show_bug.cgi?id=1016340

Solution :

Update the affected xen packages.

Risk factor :

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

Family: SuSE Local Security Checks

Nessus Plugin ID: 96250 ()

Bugtraq ID:

CVE ID: CVE-2016-10013
CVE-2016-10024
CVE-2016-10025
CVE-2016-9932

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