Alerts This Week
Warning Icon 1 692
Alerts This Week
Warning Icon 1 692

SUSE: 2020:2789-1 Important: Xen Denial Of Service And Race Conditions

suse
Calendar Grey September 29, 2020
Dist Suse Esm H88
SUSE has released a critical security update for xen, addressing 8 significant vulnerabilities with patches provided for multiple SUSE distributions.
An update that fixes 8 vulnerabilities is now available

Summary

This update for xen fixes the following issues: - 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 domains (bsc#1176348,XSA-342) - CVE-2020-25599: Fixed race conditions with evtchn_reset() (bsc#1176349,XSA-343)

Topics%20covered

Topics Covered

security advisory denial of service important race condition suse linux hardware issue xen

References

#1176343 #1176344 #1176345 #1176346 #1176347

#1176348 #1176349 #1176350

Cross- CVE-2020-25595 CVE-2020-25596 CVE-2020-25597

CVE-2020-25599 CVE-2020-25600 CVE-2020-25601

CVE-2020-25603 CVE-2020-25604

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

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-2020-25599.html

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

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:2789-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service important race condition suse linux hardware issue xen

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Related News

Your message here