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SUSE 15 SP1: 2019:1765-1 Important: Kernel Memory Flaws

suse
Calendar Grey July 8, 2019
Dist Suse Esm H88
Critical patch released for the Linux Kernel resolving significant vulnerabilities in SUSE Linux Enterprise 15 SP1. Review the information to implement necessary updates.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-195 fixes several issues. The following security issues were fixed: - CVE-2019-12817: arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel for powerpc had a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected (bsc#1138264). - CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and possibly escalate privileges was found in the mwifiex kernel module while connecting to a malicious wireless network (bsc#1136446). 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:

Topics%20covered

Topics Covered

security advisory important kernel memory issue suse

References

#1136446 #1138264

Cross- CVE-2019-12817 CVE-2019-3846

Affected Products:

SUSE Linux Enterprise Module for Live Patching 15-SP1

https://www.suse.com/security/cve/CVE-2019-12817.html

https://www.suse.com/security/cve/CVE-2019-3846.html

https://bugzilla.suse.com/1136446

https://bugzilla.suse.com/1138264

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:1765-1
Rating: important

Topics%20covered

Topics Covered

security advisory important kernel memory issue suse

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