SynopsisThe remote SUSE host is missing one or more security updates.
DescriptionThis 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,
which conflicted with shadow paging and allowed a guest to cause Xen
to crash, resulting in a Denial of Service (DoS). (XSA-280)
CVE-2018-18883: Fixed an issue related to inproper restriction of
nested VT-x, which allowed a guest to cause Xen to crash, resulting in
a Denial of Service (DoS). (XSA-278) (bsc#1114405)
CVE-2018-15468: Fixed incorrect MSR_DEBUGCTL handling, which allowed
guests to enable Branch Trace Store and may cause a Denial of Service
(DoS) of the entire host. (XSA-269) (bsc#1103276)
CVE-2018-15469: Fixed use of v2 grant tables on ARM, which were not
properly implemented and may cause a Denial of Service (DoS).
CVE-2018-15470: Fixed an issue in the logic in oxenstored for handling
writes, which allowed a guest to write memory unbounded leading to
system-wide Denial of Service (DoS). (XSA-272) (bsc#1103279)
CVE-2018-3646: Mitigations for VMM aspects of L1 Terminal Fault
Other bugs fixed: Fixed an issue related to a domU hang on SLE12-SP3
Fixed an issue with xpti=no-dom0 not working as expected (bsc#1105528)
Fixed a kernel oops related to fs/dcache.c called by
Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.
SolutionTo install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.
Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Module for Server Applications 15:zypper in -t
SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch