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SUSE: 2018:2413-1 Important: Kernel Live Fix for SLE 12 SP3

suse
Calendar Grey August 17, 2018
Dist Suse Esm H88
SUSE has released a security patch for the Linux Kernel that resolves several vulnerabilities found in Live Patch 3 for SLE 12 SP3.
An update that fixes 5 vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.82-6_9 fixes several issues. The following security issues were fixed: - CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system (bsc#1099306). - CVE-2017-18344: The timer_create syscall implementation in kernel/time/posix-timers.c didn't properly validate the sigevent->sigev_notify field, which lead to out-of-bounds access in the show_timer function (called when /proc/$PID/timers is read). This allowed userspace applications to read arbitrary kernel memory (on a

References

#1096564 #1096679 #1097108 #1099306 #1103203

Cross- CVE-2017-11600 CVE-2017-17053 CVE-2017-18344

CVE-2018-10853 CVE-2018-3646

Affected Products:

SUSE Linux Enterprise Live Patching 12-SP3

https://www.suse.com/security/cve/CVE-2017-11600.html

https://www.suse.com/security/cve/CVE-2017-17053.html

https://www.suse.com/security/cve/CVE-2017-18344.html

https://www.suse.com/security/cve/CVE-2018-10853.html

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

https://bugzilla.suse.com/1096564

https://bugzilla.suse.com/1096679

https://bugzilla.suse.com/1097108

https://bugzilla.suse.com/1099306

https://bugzilla.suse.com/1103203

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2018:2413-1
Rating: important

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