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SUSE Linux 12-SP4: SUSE-SU-2021:1251-1 Important: Xen Threat

suse
Calendar Grey April 19, 2021
Scroller Suse
SUSE releases a critical update for QEMU, rectifying multiple security vulnerabilities and offering detailed patch guidelines for a range of software solutions.
An update that solves two vulnerabilities and has one errata is now available

Summary

This update for xen fixes the following issues: - CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being updated under certain circumstances due to improper backport of XSA-321 (XSA-366, bsc#1182431) - CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator (bsc#1182846) 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 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1251=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1251=1 - SUSE Linux Enterprise Server for SAP 12-SP4: zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1251=1

Topics%20covered

Topics Covered

security advisory security fix threat important SUSE xen

References

#1178591 #1182431 #1182846

Cross- CVE-2021-20257 CVE-2021-27379

CVSS scores:

CVE-2021-20257 (SUSE): 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L

CVE-2021-27379 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-27379 (SUSE): 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud 9

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server 12-SP4-LTSS

https://www.suse.com/security/cve/CVE-2021-20257.html

https://www.suse.com/security/cve/CVE-2021-27379.html

https://bugzilla.suse.com/1178591

https://bugzilla.suse.com/1182431

https://bugzilla.suse.com/1182846

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:1251-1
Rating: important

Topics%20covered

Topics Covered

security advisory security fix threat important SUSE xen

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