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SUSE Linux Enterprise 12: 2018:2362-1 Important: Kernel Update

suse
Calendar Grey August 16, 2018
Dist Suse Esm H88
SUSE releases a significant security patch for the Linux Kernel, tackling essential vulnerabilities and delivering necessary corrections.
An update that solves 6 vulnerabilities and has four fixes is now available

Summary

The SUSE Linux Enterprise 12 GA LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-13053: The alarm_timer_nsleep function in kernel/time/alarmtimer.c had an integer overflow via a large relative timeout because ktime_add_safe is not used (bnc#1099924). - CVE-2018-13405: The inode_init_owner function in fs/inode.c allowed local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigger creation of a plain file whose group ownership is that group. The intended behavior was that the non-member can trigger creation of a directory (but not a plain file) whose group ownership is that group.

References

#1012382 #1064232 #1068032 #1087081 #1089343

#1098016 #1099924 #1100416 #1100418 #1103119

Cross- CVE-2018-13053 CVE-2018-13405 CVE-2018-13406

CVE-2018-14734 CVE-2018-3620 CVE-2018-3646

Affected Products:

SUSE Linux Enterprise Server 12-LTSS

SUSE Linux Enterprise Module for Public Cloud 12

https://www.suse.com/security/cve/CVE-2018-13053.html

https://www.suse.com/security/cve/CVE-2018-13405.html

https://www.suse.com/security/cve/CVE-2018-13406.html

https://www.suse.com/security/cve/CVE-2018-14734.html

https://www.suse.com/security/cve/CVE-2018-3620.html

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

https://bugzilla.suse.com/1012382

https://bugzilla.suse.com/1064232

https://bugzilla.suse.com/1068032

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2018:2362-1
Rating: important

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