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SUSE 15-SP3 Moderate Advisory for Xen: CVE-2021-28701 Race Condition

suse
Calendar Grey September 18, 2021
Scroller Suse
New patch for xen resolves a concurrency issue and features errata. Importance designated as medium, with setup guidelines provided.
An update that solves one vulnerability and has one errata 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). - Upstream bug fixes (bsc#1027519) 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 Linux Enterprise Module for Server Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-3140=1 - SUSE Linux Enterprise Module for Basesystem 15-SP3: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-3140=1 Package List: - SUSE Linux Enterprise Module for Server Applications 15-SP3 (x86_64): xen-4.14.2_06-3.12.1 xen-debugsource-4.14.2_06-3.12.1

Topics%20covered

Topics Covered

security advisory moderate security update race condition SUSE Linux server applications xen patch

References

#1027519 #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 Linux Enterprise Module for Server Applications 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP3

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

https://bugzilla.suse.com/1027519

https://bugzilla.suse.com/1189632

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:3140-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update race condition SUSE Linux server applications xen patch

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