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openSUSE Leap 15.2: 2020:1608-1 Important: xen Denial of Service Fix

opensuse
Calendar Grey October 4, 2020
Dist Opensuse Esm H88
Essential openSUSE patch tackling multiple vulnerabilities in xen, implementing key improvements to boost system integrity and reliability.
An update that solves 10 vulnerabilities and has one errata is now available.

Description

This update for xen fixes the following issues:

- CVE-2020-25602: Fixed an issue where there was a crash when handling

guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333)

- CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error

path (bsc#1176341,XSA-334)

- CVE-2020-25604: Fixed a race condition when migrating timers between x86

HVM vCPU-s (bsc#1176343,XSA-336)

- CVE-2020-25595: Fixed an issue where PCI passthrough code was reading

back hardware registers (bsc#1176344,XSA-337)

- CVE-2020-25597: Fixed an issue where a valid event channels may not turn

invalid (bsc#1176346,XSA-338)

- CVE-2020-25596: Fixed a potential denial of service in x86 pv guest

kernel via SYSENTER (bsc#1176345,XSA-339)

- CVE-2020-25603: Fixed an issue due to missing barriers when

accessing/allocating an event channel (bsc#1176347,XSA-340)

- CVE-2020-25600: Fixed out of bounds event channels available to 32-bit

x86...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update important xen opensuse cross-reference

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 15.2:

zypper in -t patch openSUSE-2020-1608=1

Package List

- openSUSE Leap 15.2 (i586 x86_64):

xen-debugsource-4.13.1_08-lp152.2.9.1

xen-devel-4.13.1_08-lp152.2.9.1

xen-libs-4.13.1_08-lp152.2.9.1

xen-libs-debuginfo-4.13.1_08-lp152.2.9.1

xen-tools-domU-4.13.1_08-lp152.2.9.1

xen-tools-domU-debuginfo-4.13.1_08-lp152.2.9.1

- openSUSE Leap 15.2 (x86_64):

xen-4.13.1_08-lp152.2.9.1

xen-doc-html-4.13.1_08-lp152.2.9.1

xen-libs-32bit-4.13.1_08-lp152.2.9.1

xen-libs-32bit-debuginfo-4.13.1_08-lp152.2.9.1

xen-tools-4.13.1_08-lp152.2.9.1

xen-tools-debuginfo-4.13.1_08-lp152.2.9.1

- openSUSE Leap 15.2 (noarch):

xen-tools-xendomains-wait-disk-4.13.1_08-lp152.2.9.1

References

https://www.suse.com/security/cve/CVE-2020-25595.html

https://www.suse.com/security/cve/CVE-2020-25596.html

https://www.suse.com/security/cve/CVE-2020-25597.html

https://www.suse.com/security/cve/CVE-2020-25598.html

https://www.suse.com/security/cve/CVE-2020-25599.html

https://www.suse.com/security/cve/CVE-2020-25600.html

https://www.suse.com/security/cve/CVE-2020-25601.html

https://www.suse.com/security/cve/CVE-2020-25602.html

https://www.suse.com/security/cve/CVE-2020-25603.html

https://www.suse.com/security/cve/CVE-2020-25604.html

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1176339

https://bugzilla.suse.com/1176341

https://bugzilla.suse.com/1176343

https://bugzilla.suse.com/1176344

https://bugzilla.suse.com/1176345

https://bugzilla.suse.com/1176346

https://bugzilla.suse.com/1176347

https://bugzilla.suse.com/1176348

https://bugzilla.suse.com/1176349

https://bugzilla.suse.com/1176350

--

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2020:1608-1
Rating: important
Affected Products: openSUSE Leap 15.2 le.

Topics%20covered

Topics Covered

security advisory denial of service update important xen opensuse cross-reference

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