SUSE: 2019:0020-1 Important: Xen Critical Security Update
suse
January 4, 2019
An update that solves 6 vulnerabilities and has three fixes is now available
Summary
This update for xen fixes the following issues: 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, which conflicted with shadow paging and allowed a guest to cause Xen to
Topics Covered
References
#1027519 #1105528 #1108940 #1114423 #1115040
#1115045 #1115047 #1116380 #1117756
Cross- CVE-2018-18849 CVE-2018-19665 CVE-2018-19961
CVE-2018-19962 CVE-2018-19965 CVE-2018-19966
Affected Products:
SUSE OpenStack Cloud 7
SUSE Linux Enterprise Server for SAP 12-SP2
SUSE Linux Enterprise Server 12-SP2-LTSS
SUSE Linux Enterprise Server 12-SP2-BCL
SUSE Enterprise Storage 4
https://www.suse.com/security/cve/CVE-2018-18849.html
https://www.suse.com/security/cve/CVE-2018-19665.html
https://www.suse.com/security/cve/CVE-2018-19961.html
https://www.suse.com/security/cve/CVE-2018-19962.html
https://www.suse.com/security/cve/CVE-2018-19965.html
https://www.suse.com/security/cve/CVE-2018-19966.html
https://bugzilla.suse.com/1027519
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Announcement ID: SUSE-SU-2019:0020-1
Rating: important
Topics Covered
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