Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 524
Alerts This Week
Warning Icon 1 524

openSUSE 13.2 Security Update: Important Threats in Xen Privileges

opensuse
Calendar Grey October 11, 2016
Scroller Opensuse
Essential openSUSE security patch addresses multiple vulnerabilities in Xen, which could result in privilege escalation on the host OS and potential service interruptions.
An update that solves 38 vulnerabilities and has 20 fixes An update that solves 38 vulnerabilities and has 20 fixes An update that solves 38 vulnerabilities and has 20 fixes is now...

Description

This update for xen fixes the following issues:

These security issues were fixed:

- CVE-2016-7092: The get_page_from_l3e function in arch/x86/mm.c in Xen

allowed local 32-bit PV guest OS administrators to gain host OS

privileges via vectors related to L3 recursive pagetables (bsc#995785)

- CVE-2016-7093: Xen allowed local HVM guest OS administrators to

overwrite hypervisor memory and consequently gain host OS privileges by

leveraging mishandling of instruction pointer truncation during

emulation (bsc#995789)

- CVE-2016-7094: Buffer overflow in Xen allowed local x86 HVM guest OS

administrators on guests running with shadow paging to cause a denial of

service via a pagetable update (bsc#995792)

- CVE-2016-7154: Use-after-free vulnerability in the FIFO event channel

code in Xen allowed local guest OS administrators to cause a denial of

service (host crash) and possibly execute arbitrary code or obtain

sensitive...

Read the Full Advisory

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE 13.2:

zypper in -t patch openSUSE-2016-1169=1

To bring your system up-to-date, use "zypper patch".

Package List

- openSUSE 13.2 (i586 x86_64):

xen-debugsource-4.4.4_05-49.1

xen-devel-4.4.4_05-49.1

xen-libs-4.4.4_05-49.1

xen-libs-debuginfo-4.4.4_05-49.1

xen-tools-domU-4.4.4_05-49.1

xen-tools-domU-debuginfo-4.4.4_05-49.1

- openSUSE 13.2 (x86_64):

xen-4.4.4_05-49.1

xen-doc-html-4.4.4_05-49.1

xen-kmp-default-4.4.4_05_k3.16.7_42-49.1

xen-kmp-default-debuginfo-4.4.4_05_k3.16.7_42-49.1

xen-kmp-desktop-4.4.4_05_k3.16.7_42-49.1

xen-kmp-desktop-debuginfo-4.4.4_05_k3.16.7_42-49.1

xen-libs-32bit-4.4.4_05-49.1

xen-libs-debuginfo-32bit-4.4.4_05-49.1

xen-tools-4.4.4_05-49.1

xen-tools-debuginfo-4.4.4_05-49.1

References

https://www.suse.com/security/cve/CVE-2014-3615.html

https://www.suse.com/security/cve/CVE-2014-3672.html

https://www.suse.com/security/cve/CVE-2016-3158.html

https://www.suse.com/security/cve/CVE-2016-3159.html

https://www.suse.com/security/cve/CVE-2016-3710.html

https://www.suse.com/security/cve/CVE-2016-3712.html

https://www.suse.com/security/cve/CVE-2016-3960.html

https://www.suse.com/security/cve/CVE-2016-4001.html

https://www.suse.com/security/cve/CVE-2016-4002.html

https://www.suse.com/security/cve/CVE-2016-4020.html

https://www.suse.com/security/cve/CVE-2016-4037.html

https://www.suse.com/security/cve/CVE-2016-4439.html

https://www.suse.com/security/cve/CVE-2016-4441.html

https://www.suse.com/security/cve/CVE-2016-4453.html

https://www.suse.com/security/cve/CVE-2016-4454.html

https://www.suse.com/security/cve/CVE-2016-4480.html

https://www.suse.com/security/cve/CVE-2016-4952.html

https://www.suse.com/security/cve/CVE-2016-4962.html

https://www.suse.com/security/cve/CVE-2016-4963.html

https://www....

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2016:2497-1
Rating: important
Affected Products: openSUSE 13.2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.