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SUSE: 2018:2394-1 Important: L1 Terminal Fault Mitigation for Kgraft

suse
Calendar Grey August 16, 2018
Scroller Suse Esm H88
Canonical releases important security patch for kernel live patching tool, mitigating severe L1TF flaw.
An update that fixes one vulnerability is now available

Summary

This update for kgraft fixes the following issues: Add script for disabling SMT to help with the mitigation of the "L1 Terminal Fault" issue (CVE-2018-3646 bsc#1099306) The script is called "klp-kvm-l1tf-ctrl-smt" and is used for enabling or disabling SMT to mitigate the issue when this administrative decision is taken. Disabling SMT: klp-kvm-l1tf-ctrl-smt -d Enabling SMT: klp-kvm-l1tf-ctrl-smt -e Patch Instructions: To 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 Live Patching 12-SP3: zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-1637=1 - SUSE Linux Enterprise Live Patching 12:

Topics%20covered

Topics Covered

security advisory patch important SUSE Linux Enterprise live patching kgraft L1 terminal fault

References

#1099306

Cross- CVE-2018-3646

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP3

SUSE Linux Enterprise Live Patching 12

https://www.suse.com/security/cve/CVE-2018-3646.html

https://bugzilla.suse.com/1099306

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2018:2394-1
Rating: important

Topics%20covered

Topics Covered

security advisory patch important SUSE Linux Enterprise live patching kgraft L1 terminal fault

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