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AUSCERT External Security Bulletin Redistribution
ESB-2019.2496
SUSE-SU-2019:1765-1 Security update for the Linux Kernel
(Live Patch 0 for SLE 15 SP1)
9 July 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Increased Privileges -- Existing Account
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-12817 CVE-2019-3846
Reference: ESB-2019.2469
ESB-2019.2285
ESB-2019.2271
ESB-2019.2155
ESB-2019.2132.3
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-20191765-1.html
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 0 for
SLE 15 SP1)
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:1765-1
Rating: important
References: #1136446 #1138264
Cross-References: CVE-2019-12817 CVE-2019-3846
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.12.14-195 fixes several issues.
The following security issues were fixed:
o 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).
o 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:
o SUSE Linux Enterprise Module for Live Patching 15-SP1:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1765=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):
kernel-livepatch-4_12_14-195-default-3-7.2
References:
o https://www.suse.com/security/cve/CVE-2019-12817.html
o https://www.suse.com/security/cve/CVE-2019-3846.html
o https://bugzilla.suse.com/1136446
o https://bugzilla.suse.com/1138264
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