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SUSE: 2020:2788-1 Critical: Xen Denial of Service Vulnerability Issue

suse
Calendar Grey September 29, 2020
Dist Suse Esm H88
SUSE has rolled out a crucial security update addressing 11 vulnerabilities in xen, which include potential denial of service threats, while also implementing essential bug corrections.
An update that solves 11 vulnerabilities and has one errata is now available

Summary

This update for xen fixes the following issues: - CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333) - CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error path (bsc#1176341,XSA-334) - 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

Topics%20covered

Topics Covered

security advisory denial of service bug fix important SUSE crash xen

References

#1027519 #1175534 #1176339 #1176341 #1176343

#1176344 #1176345 #1176346 #1176347 #1176348

#1176349 #1176350

Cross- CVE-2020-14364 CVE-2020-25595 CVE-2020-25596

CVE-2020-25597 CVE-2020-25598 CVE-2020-25599

CVE-2020-25600 CVE-2020-25601 CVE-2020-25602

CVE-2020-25603 CVE-2020-25604

Affected Products:

SUSE Linux Enterprise Software Development Kit 12-SP5

SUSE Linux Enterprise Server 12-SP5

https://www.suse.com/security/cve/CVE-2020-14364.html

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-2020-25598.html

https://www.suse.com/security/cve/CVE-2020-25599.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:2788-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service bug fix important SUSE crash xen

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