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SUSE: 2018:4300-1 Important: Xen Denial of Service Risks Fixed

suse
Calendar Grey December 29, 2018
Dist Suse Esm H88
SUSE Security Update: Security update for xen Announcement ID: SUSE-SU-2018:4300-1 Rating: important
An update that solves 9 vulnerabilities and has four fixes is now available

Summary

This update for xen fixes the following issues: Update to Xen 4.10.2 bug fix release (bsc#1027519). Security vulnerabilities fixed: - CVE-2018-19961, CVE-2018-19962: Fixed an issue related to insufficient TLB flushing with AMD IOMMUs, which potentially allowed a guest to escalate its privileges, may cause a Denial of Service (DoS) affecting the entire host, or may be able to access data it is not supposed to access. (XSA-275) (bsc#1115040) - CVE-2018-19965: Fixed an issue related to the INVPCID instruction in case non-canonical addresses are accessed, which may allow a guest to cause Xen to crash, resulting in a Denial of Service (DoS) affecting the entire host. (XSA-279) (bsc#1115045) - CVE-2018-19966: Fixed an issue related to a previous fix for XSA-240,

Topics%20covered

Topics Covered

security advisory security update DoS vulnerability important SUSE xen

References

#1027519 #1078292 #1091107 #1094508 #1103275

#1103276 #1103279 #1105528 #1108940 #1114405

#1115040 #1115045 #1115047

Cross- CVE-2018-15468 CVE-2018-15469 CVE-2018-15470

CVE-2018-18883 CVE-2018-19961 CVE-2018-19962

CVE-2018-19965 CVE-2018-19966 CVE-2018-3646

Affected Products:

SUSE Linux Enterprise Module for Server Applications 15

SUSE Linux Enterprise Module for Basesystem 15

https://www.suse.com/security/cve/CVE-2018-15468.html

https://www.suse.com/security/cve/CVE-2018-15469.html

https://www.suse.com/security/cve/CVE-2018-15470.html

https://www.suse.com/security/cve/CVE-2018-18883.html

https://www.suse.com/security/cve/CVE-2018-19961.html

https://www.suse.com/security/cve/CVE-2018-19962.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2018:4300-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update DoS vulnerability important SUSE xen

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