SUSE Security Update: Security update for the Linux Kernel (Live Patch 27 for SLE 12 SP3) ______________________________________________________________________________
Cross-References: CVE-2018-20856 CVE-2019-10220 CVE-2019-13272 CVE-2019-15239 Affected Products: SUSE Linux Enterprise Server for SAP 12-SP3 SUSE Linux Enterprise Server 12-SP3-LTSS ______________________________________________________________________________
An update that solves four vulnerabilities and has one errata is now available.
Description:
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).
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 Server for SAP 12-SP3:
zypper in -t patch SUSE-SLE-SAP-12-SP3-2019-3228=1 SUSE-SLE-SAP-12-SP3-2019-3229=1
- SUSE Linux Enterprise Server 12-SP3-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2019-3228=1 SUSE-SLE-SERVER-12-SP3-2019-3229=1
Package List:
- SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):