SUSE: 2018:2474-1 Important: Linux Kernel Live Patch Denial of Service
suse
August 21, 2018
An update that fixes 5 vulnerabilities is now available
Summary
This update for the Linux Kernel 4.12.14-23 fixes several issues. The following security issues were fixed: - CVE-2018-5390: Linux kernel versions 4.9+ can be forced to make very expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which can lead to a denial of service (bsc#1102682). - 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
References
#1097108 #1099258 #1099306 #1102682 #1103203
Cross- CVE-2017-18344 CVE-2018-10853 CVE-2018-12904
CVE-2018-3646 CVE-2018-5390
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
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-2018-12904.html
https://www.suse.com/security/cve/CVE-2018-3646.html
https://www.suse.com/security/cve/CVE-2018-5390.html
https://bugzilla.suse.com/1097108
https://bugzilla.suse.com/1099258
https://bugzilla.suse.com/1099306
https://bugzilla.suse.com/1102682
https://bugzilla.suse.com/1103203
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Announcement ID: SUSE-SU-2018:2474-1
Rating: important
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