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SUSE: 2020:1234-1 Critical: Kernel Live Update for SLE 15 SP3

suse
Calendar Grey December 11, 2019
Dist Suse Esm H88
Mitigating essential vulnerabilities in the Linux kernel using a SUSE update to bolster system safety and reliability.
An update that solves three vulnerabilities and has one errata is now available

Summary

This update for the Linux Kernel 4.4.121-92_114 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-2019-10220: 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".

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch important suse use-after-free samba issue

References

#1153108 #1156321 #1156331 #1157770

Cross- CVE-2018-20856 CVE-2019-10220 CVE-2019-13272

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP2

SUSE Linux Enterprise Server 12-SP2-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://bugzilla.suse.com/1153108

https://bugzilla.suse.com/1156321

https://bugzilla.suse.com/1156331

https://bugzilla.suse.com/1157770

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:3261-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation kernel patch important suse use-after-free samba issue

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