SUSE-SU-2019:3228-1

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SUSE-SU-2019:3228-1

Summary: Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP3)

Details: This update for the Linux Kernel 4.4.180-94_100 fixes several issues. The following security issues were fixed: - CVE-2018-20856: Fixed a use-after-free in __blk_drain_queue() due to an improper error handling (bsc#1156331). - CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321). - CVE-2019-15239: Fixed a vulnerability where a local attacker could have triggered multiple use-after-free conditions resulted in privilege escalation (bsc#1156317). - CVE-2019-10220: Fixed an issue where samba servers could inject relative paths in directory entry lists (bsc#1153108). The following bugs were fixed: - Fixed boot up hang revealed by int3 self test (bsc#1157770).

References: https://www.suse.com/support/update/announcement/2019/suse-su-20193228-1/, https://bugzilla.suse.com/1153108, https://bugzilla.suse.com/1156317, https://bugzilla.suse.com/1156321, https://bugzilla.suse.com/1156331, https://bugzilla.suse.com/1157770, https://www.suse.com/security/cve/CVE-2018-20856, https://www.suse.com/security/cve/CVE-2019-10220, https://www.suse.com/security/cve/CVE-2019-13272, https://www.suse.com/security/cve/CVE-2019-15239