A xen security update has been released for openSUSE Leap 15.1.

security-announce: openSUSE-SU-2020:1844-1: important: Security update for xen

openSUSE Security Update: Security update for xen
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Announcement ID: openSUSE-SU-2020:1844-1
Rating: important
References: #1177409 #1177412 #1177413 #1177414
Cross-References: CVE-2020-27670 CVE-2020-27671 CVE-2020-27672
CVE-2020-27673
Affected Products:
openSUSE Leap 15.1
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An update that fixes four vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

- bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like
flushes may leave stale TLB entries (XSA-286)
- bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping
code (XSA-345)
- bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB
flushes (XSA-346)
- bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table
updates (XSA-347)

This update was imported from the SUSE:SLE-15-SP1:Update update project.

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 15.1:

zypper in -t patch openSUSE-2020-1844=1


Package List:

- openSUSE Leap 15.1 (i586 x86_64):

xen-debugsource-4.12.3_10-lp151.2.27.1
xen-devel-4.12.3_10-lp151.2.27.1
xen-libs-4.12.3_10-lp151.2.27.1
xen-libs-debuginfo-4.12.3_10-lp151.2.27.1
xen-tools-domU-4.12.3_10-lp151.2.27.1
xen-tools-domU-debuginfo-4.12.3_10-lp151.2.27.1

- openSUSE Leap 15.1 (x86_64):

xen-4.12.3_10-lp151.2.27.1
xen-doc-html-4.12.3_10-lp151.2.27.1
xen-libs-32bit-4.12.3_10-lp151.2.27.1
xen-libs-32bit-debuginfo-4.12.3_10-lp151.2.27.1
xen-tools-4.12.3_10-lp151.2.27.1
xen-tools-debuginfo-4.12.3_10-lp151.2.27.1

References:

  https://www.suse.com/security/cve/CVE-2020-27670.html
  https://www.suse.com/security/cve/CVE-2020-27671.html
  https://www.suse.com/security/cve/CVE-2020-27672.html
  https://www.suse.com/security/cve/CVE-2020-27673.html
  https://bugzilla.suse.com/1177409
  https://bugzilla.suse.com/1177412
  https://bugzilla.suse.com/1177413
  https://bugzilla.suse.com/1177414