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SUSE: 2020:2790-1 Important: Xen Denial Of Service And Other Fixes

suse
Calendar Grey September 29, 2020
Dist Suse Esm H88
Crucial SUSE Security Patch for xen addresses 10 security flaws accompanied by comprehensive patch guidelines and documentation.
An update that solves 10 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 xen cross-reference

References

#1027519 #1176339 #1176341 #1176343 #1176344

#1176345 #1176346 #1176347 #1176348 #1176349

#1176350

Cross- 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 Module for Server Applications 15-SP1

SUSE Linux Enterprise Module for Basesystem 15-SP1

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

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:2790-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service bug fix important SUSE xen cross-reference

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