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openSUSE Leap 15.0: Important Xen Security Advisory Updates

opensuse
Calendar Grey December 29, 2018
Dist Opensuse Esm H88
This critical bulletin targets several vulnerabilities in Fedora computing, improving overall system integrity and protection for its users.
An update that solves 9 vulnerabilities and has four fixes is now available.

Description

This update for xen fixes the following issues:

Update to Xen 4.10.2 bug fix release (bsc#1027519).

Security vulnerabilities fixed:

- CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient

TLB flushing with AMD IOMMUs, which potentially allowed a guest to

escalate its privileges, may cause a Denial of Service (DoS) affecting

the entire host, or may be able to access data it is not supposed to

access. (XSA-275) (bsc#1115040)

- CVE-2018-19965: Fixed an issue related to the INVPCID instruction in

case non-canonical addresses are accessed, which may allow a guest to

cause Xen to crash, resulting in a Denial of Service (DoS) affecting the

entire host. (XSA-279) (bsc#1115045)

- CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240,

which conflicted with shadow paging and allowed a guest to cause Xen to

crash, resulting in a Denial of Service (DoS). (XSA-280) (bsc#1115047)

- CVE-2018-18883:...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service security fix important update xen openSUSE

Patch

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods

like YaST online_update or "zypper patch".

Alternatively you can run the command listed for your product:

- openSUSE Leap 15.0:

zypper in -t patch openSUSE-2018-1624=1

Package List

- openSUSE Leap 15.0 (i586 x86_64):

xen-debugsource-4.10.2_04-lp150.2.12.1

xen-devel-4.10.2_04-lp150.2.12.1

xen-libs-4.10.2_04-lp150.2.12.1

xen-libs-debuginfo-4.10.2_04-lp150.2.12.1

xen-tools-domU-4.10.2_04-lp150.2.12.1

xen-tools-domU-debuginfo-4.10.2_04-lp150.2.12.1

- openSUSE Leap 15.0 (x86_64):

xen-4.10.2_04-lp150.2.12.1

xen-doc-html-4.10.2_04-lp150.2.12.1

xen-libs-32bit-4.10.2_04-lp150.2.12.1

xen-libs-32bit-debuginfo-4.10.2_04-lp150.2.12.1

xen-tools-4.10.2_04-lp150.2.12.1

xen-tools-debuginfo-4.10.2_04-lp150.2.12.1

References

https://www.suse.com/security/cve/CVE-2018-15468.html

https://www.suse.com/security/cve/CVE-2018-15469.html

https://www.suse.com/security/cve/CVE-2018-15470.html

https://www.suse.com/security/cve/CVE-2018-18883.html

https://www.suse.com/security/cve/CVE-2018-19961.html

https://www.suse.com/security/cve/CVE-2018-19962.html

https://www.suse.com/security/cve/CVE-2018-19965.html

https://www.suse.com/security/cve/CVE-2018-19966.html

https://www.suse.com/security/cve/CVE-2018-3646.html

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1078292

https://bugzilla.suse.com/1091107

https://bugzilla.suse.com/1094508

https://bugzilla.suse.com/1103275

https://bugzilla.suse.com/1103276

https://bugzilla.suse.com/1103279

https://bugzilla.suse.com/1105528

https://bugzilla.suse.com/1108940

https://bugzilla.suse.com/1114405

https://bugzilla.suse.com/1115040

https://bugzilla.suse.com/1115045

https://bugzilla.suse.com/1115047

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2018:4304-1
Rating: important
Affected Products: openSUSE Leap 15.0 le.

Topics%20covered

Topics Covered

security advisory denial of service security fix important update xen openSUSE

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