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SUSE: 2021:3213-1 Important: Fix For Xen Race Condition

suse
Calendar Grey September 23, 2021
Scroller Suse
Essential SUSE Security Patch for xen tackling race condition vulnerability along with several corrections in different server distributions.
An update that solves one vulnerability and has two fixes is now available

Summary

This update for xen fixes the following issues: - CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632). - Integrate bugfixes (bsc#1189373, bsc#1189378). Patch Instructions: To install this SUSE 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: - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-3213=1 - SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-3213=1 - SUSE Linux Enterprise Server for SAP 12-SP3: zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-3213=1 - SUSE Linux Enterprise Server 12-SP3-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3213=1

Topics%20covered

Topics Covered

security advisory race condition SUSE important fix xen patch

References

#1189373 #1189378 #1189632

Cross- CVE-2021-28701

CVSS scores:

CVE-2021-28701 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP3-BCL

HPE Helion Openstack 8

https://www.suse.com/security/cve/CVE-2021-28701.html

https://bugzilla.suse.com/1189373

https://bugzilla.suse.com/1189378

https://bugzilla.suse.com/1189632

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:3213-1
Rating: important

Topics%20covered

Topics Covered

security advisory race condition SUSE important fix xen patch

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