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openSUSE Leap 42.3 Security Update: 2018:2211-1 Moderate Xen DoS Fixes

opensuse
Calendar Grey August 6, 2018
Scroller Opensuse
OpenSUSE Releases Update Addressing 5 Vulnerabilities Including Denial of Service and Heap Overflow in Xen; Patches Ready for Immediate Installation.
An update that solves 5 vulnerabilities and has two fixes is now available.

Description

This update for xen fixes the following issues:

Security issues fixed:

- CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267) (bsc#1095242).

- CVE-2018-12891: Fix possible Denial of Service (DoS) via certain PV MMU

operations that affect the entire host (XSA-264) (bsc#1097521).

- CVE-2018-12892: Fix libxl to honour the readonly flag on HVM emulated

SCSI disks (XSA-266) (bsc#1097523).

- CVE-2018-12893: Fix crash/Denial of Service (DoS) via safety check

(XSA-265) (bsc#1097522).

- CVE-2018-11806: Fix heap buffer overflow while reassembling fragmented

datagrams (bsc#1096224).

Bug fixes:

- bsc#1027519: Add upstream patches from January.

- bsc#1087289: Fix xen scheduler crash.

This update was imported from the SUSE:SLE-12-SP3:Update update project.

Topics%20covered

Topics Covered

security advisory update DoS heap overflow 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 42.3:

zypper in -t patch openSUSE-2018-803=1

Package List

- openSUSE Leap 42.3 (x86_64):

xen-4.9.2_08-25.2

xen-debugsource-4.9.2_08-25.2

xen-devel-4.9.2_08-25.2

xen-doc-html-4.9.2_08-25.2

xen-libs-4.9.2_08-25.2

xen-libs-debuginfo-4.9.2_08-25.2

xen-tools-4.9.2_08-25.2

xen-tools-debuginfo-4.9.2_08-25.2

xen-tools-domU-4.9.2_08-25.2

xen-tools-domU-debuginfo-4.9.2_08-25.2

References

https://www.suse.com/security/cve/CVE-2018-11806.html

https://www.suse.com/security/cve/CVE-2018-12891.html

https://www.suse.com/security/cve/CVE-2018-12892.html

https://www.suse.com/security/cve/CVE-2018-12893.html

https://www.suse.com/security/cve/CVE-2018-3665.html

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1087289

https://bugzilla.suse.com/1095242

https://bugzilla.suse.com/1096224

https://bugzilla.suse.com/1097521

https://bugzilla.suse.com/1097522

https://bugzilla.suse.com/1097523

--

Announcement ID: openSUSE-SU-2018:2211-1
Rating: moderate
Affected Products: openSUSE Leap 42.3 le.

Topics%20covered

Topics Covered

security advisory update DoS heap overflow xen openSUSE

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