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openSUSE Leap 42.2 2017:1826-1 Important: Xen Privilege Escalation and DoS

opensuse
Calendar Grey July 8, 2017
Dist Opensuse Esm H88
This crucial update for Fedora addresses numerous vulnerabilities, notably including denial of service (DoS) and privilege escalation risks affecting the kernel.
An update that fixes 11 vulnerabilities is now available.

Description

This update for xen fixes several issues.

These security issues were fixed:

- CVE-2017-10912: Page transfer might have allowed PV guest to elevate

privilege (XSA-217, bsc#1042882)

- CVE-2017-10913 CVE-2017-10914: Races in the grant table unmap code

allowed for informations leaks and potentially privilege escalation

(XSA-218, bsc#1042893)

- CVE-2017-10915: Insufficient reference counts during shadow emulation

allowed a malicious pair of guest to elevate their privileges to the

privileges that XEN runs under (XSA-219, bsc#1042915)

- CVE-2017-10917: Missing NULL pointer check in event channel poll allows

guests to DoS the host (XSA-221, bsc#1042924)

- CVE-2017-10918: Stale P2M mappings due to insufficient error checking

allowed malicious guest to leak information or elevate privileges

(XSA-222, bsc#1042931)

- CVE-2017-10920, CVE-2017-10921, CVE-2017-10922: Grant table operations

mishandled reference counts allowing...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security update privilege escalation vulnerability xen openSUSE

Patch

Patch Instructions:

To install this openSUSE Security Update use YaST online_update.

Alternatively you can run the command listed for your product:

- openSUSE Leap 42.2:

zypper in -t patch openSUSE-2017-799=1

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

Package List

- openSUSE Leap 42.2 (i586 x86_64):

xen-debugsource-4.7.2_06-11.9.1

xen-devel-4.7.2_06-11.9.1

xen-libs-4.7.2_06-11.9.1

xen-libs-debuginfo-4.7.2_06-11.9.1

xen-tools-domU-4.7.2_06-11.9.1

xen-tools-domU-debuginfo-4.7.2_06-11.9.1

- openSUSE Leap 42.2 (x86_64):

xen-4.7.2_06-11.9.1

xen-doc-html-4.7.2_06-11.9.1

xen-libs-32bit-4.7.2_06-11.9.1

xen-libs-debuginfo-32bit-4.7.2_06-11.9.1

xen-tools-4.7.2_06-11.9.1

xen-tools-debuginfo-4.7.2_06-11.9.1

References

https://www.suse.com/security/cve/CVE-2017-10912.html

https://www.suse.com/security/cve/CVE-2017-10913.html

https://www.suse.com/security/cve/CVE-2017-10914.html

https://www.suse.com/security/cve/CVE-2017-10915.html

https://www.suse.com/security/cve/CVE-2017-10917.html

https://www.suse.com/security/cve/CVE-2017-10918.html

https://www.suse.com/security/cve/CVE-2017-10920.html

https://www.suse.com/security/cve/CVE-2017-10921.html

https://www.suse.com/security/cve/CVE-2017-10922.html

https://www.suse.com/security/cve/CVE-2017-8309.html

https://www.suse.com/security/cve/CVE-2017-9330.html

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1035642

https://bugzilla.suse.com/1037243

https://bugzilla.suse.com/1042160

https://bugzilla.suse.com/1042882

https://bugzilla.suse.com/1042893

https://bugzilla.suse.com/1042915

https://bugzilla.suse.com/1042923

https://bugzilla.suse.com/1042924

https://bugzilla.suse.com/1042931

https://bugzilla.suse.com/1042938

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Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2017:1826-1
Rating: important
Affected Products: openSUSE Leap 42.2

Topics%20covered

Topics Covered

security advisory denial of service security update privilege escalation vulnerability xen openSUSE

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