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SUSE 12-SP3: 2019:3258-1 Important Kernel Fix: Critical Issues

suse
Calendar Grey December 11, 2019
Dist Suse Esm H88
Essential patch released for Linux Kernel resolving various vulnerabilities in SUSE Linux Enterprise Server 12-SP3. Update urgently!
An update that fixes four vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.178-94_91 fixes several issues. The following security issues were fixed: - CVE-2018-20856: Fixed a use-after-free in block/blk-core.c due to 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). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods

Topics%20covered

Topics Covered

security advisory critical privilege escalation kernel patch use-after-free SUSE Linux Enterprise

References

#1153108 #1156317 #1156321 #1156331

Cross- 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

https://www.suse.com/security/cve/CVE-2018-20856.html

https://www.suse.com/security/cve/CVE-2019-10220.html

https://www.suse.com/security/cve/CVE-2019-13272.html

https://www.suse.com/security/cve/CVE-2019-15239.html

https://bugzilla.suse.com/1153108

https://bugzilla.suse.com/1156317

https://bugzilla.suse.com/1156321

https://bugzilla.suse.com/1156331

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:3258-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical privilege escalation kernel patch use-after-free SUSE Linux Enterprise

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