openSUSE Leap 15.0: 2018:1420-1 Important: Speculative Store Bypass
opensuse
May 25, 2018
An update that solves one vulnerability and has one errata is now available.
Description
The openSUSE Leap 15.0 kernel was updated to receive various security and
bugfixes.
The following security bugs were fixed:
- CVE-2018-3639: Systems with microprocessors utilizing speculative
execution and speculative execution of memory reads before the addresses
of all prior memory writes are known may allow unauthorized disclosure
of information to an attacker with local user access via a side-channel
analysis, aka Speculative Store Bypass (SSB), Variant 4 (bsc#1087082).
A new boot commandline option was introduced,
"spec_store_bypass_disable", which can have following values:
- auto: Kernel detects whether your CPU model contains an implementation
of Speculative Store Bypass and picks the most appropriate mitigation.
- on: disable Speculative Store Bypass
- off: enable Speculative Store Bypass
- prctl: Control Speculative Store Bypass per thread via prctl.
Speculative Store Bypass is enabled for a...
Read the Full Advisory
Patch
Patch Instructions:
To install this openSUSE 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:
- openSUSE Leap 15.0:
zypper in -t patch openSUSE-2018-515=1
Package List
- openSUSE Leap 15.0 (x86_64):
kernel-debug-4.12.14-lp150.12.4.1
kernel-debug-base-4.12.14-lp150.12.4.1
kernel-debug-base-debuginfo-4.12.14-lp150.12.4.1
kernel-debug-debuginfo-4.12.14-lp150.12.4.1
kernel-debug-debugsource-4.12.14-lp150.12.4.1
kernel-debug-devel-4.12.14-lp150.12.4.1
kernel-debug-devel-debuginfo-4.12.14-lp150.12.4.1
kernel-default-4.12.14-lp150.12.4.1
kernel-default-base-4.12.14-lp150.12.4.1
kernel-default-base-debuginfo-4.12.14-lp150.12.4.1
kernel-default-debuginfo-4.12.14-lp150.12.4.1
kernel-default-debugsource-4.12.14-lp150.12.4.1
kernel-default-devel-4.12.14-lp150.12.4.1
kernel-default-devel-debuginfo-4.12.14-lp150.12.4.1
kernel-kvmsmall-4.12.14-lp150.12.4.1
kernel-kvmsmall-base-4.12.14-lp150.12.4.1
kernel-kvmsmall-base-debuginfo-4.12.14-lp150.12.4.1
kernel-kvmsmall-debuginfo-4.12.14-lp150.12.4.1
kernel-kvmsmall-debugsource-4.12.14-lp150.12.4.1
kernel-kvmsmall-devel-4.12.14-lp150.12.4.1
kernel-kvmsmall-devel-debuginfo-4.12.14-lp150.12.4.1
kernel-obs-build-4.12.14-lp150.12.4.1
kernel-obs-bu...
Read the Full AdvisoryReferences
https://www.suse.com/security/cve/CVE-2018-3639.html
https://bugzilla.suse.com/1087082
https://bugzilla.suse.com/1088273
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2018:1420-1
Rating: important
Affected Products:
openSUSE Leap 15.0
le.
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