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AUSCERT External Security Bulletin Redistribution
ESB-2019.1004
SUSE-SU-2019:0761-1 Security update for the Linux Kernel (SLE 12 SP3)
27 March 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: linux kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9213 CVE-2019-7221 CVE-2019-6974
Reference: ESB-2019.0984
ESB-2019.0927.3
ESB-2019.0914
ESB-2019.0892
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-20190761-1.html
https://www.suse.com/support/update/announcement/2019/suse-su-20190754-1.html
Comment: This bulletin contains two (2) advisories.
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 23 for
SLE 12 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:0761-1
Rating: important
References: #1128378
Cross-References: CVE-2019-9213
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________
An update that fixes one vulnerability is now available.
Description:
This update for the Linux Kernel 4.4.175-94_79 fixes one issue.
The following security issue was fixed:
o CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap
minimum address, which made it easier for attackers to exploit kernel NULL
pointer dereferences on non-SMAP platforms. This is related to a capability
check for the wrong task (bsc#1128378).
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 Live Patching 12-SP3:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-761=1
Package List:
o SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_175-94_79-default-2-2.1
kgraft-patch-4_4_175-94_79-default-debuginfo-2-2.1
References:
o https://www.suse.com/security/cve/CVE-2019-9213.html
o https://bugzilla.suse.com/1128378
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for the Linux Kernel (Live Patch 16 for
SLE 12 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:0754-1
Rating: important
References: #1124729 #1124734 #1128378
Cross-References: CVE-2019-6974 CVE-2019-7221 CVE-2019-9213
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________
An update that fixes three vulnerabilities is now available.
Description:
This update for the Linux Kernel 4.4.143-94_47 fixes several issues.
The following security issues were fixed:
o CVE-2019-9213: Expand_downwards in mm/mmap.c lacked a check for the mmap
minimum address, which made it easier for attackers to exploit kernel NULL
pointer dereferences on non-SMAP platforms. This is related to a capability
check for the wrong task (bsc#1128378).
o CVE-2019-7221: Fixed a user-after-free vulnerability in the KVM hypervisor
related to the emulation of a preemption timer, allowing an guest user/
process to crash the host kernel. (bsc#1124734).
o CVE-2019-6974: kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandled
reference counting because of a race condition, leading to a use-after-free
(bsc#1124729).
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 Live Patching 12-SP3:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-751=1
SUSE-SLE-Live-Patching-12-SP3-2019-752=1
SUSE-SLE-Live-Patching-12-SP3-2019-753=1
SUSE-SLE-Live-Patching-12-SP3-2019-754=1
SUSE-SLE-Live-Patching-12-SP3-2019-755=1
SUSE-SLE-Live-Patching-12-SP3-2019-756=1
SUSE-SLE-Live-Patching-12-SP3-2019-757=1
SUSE-SLE-Live-Patching-12-SP3-2019-758=1
SUSE-SLE-Live-Patching-12-SP3-2019-759=1
SUSE-SLE-Live-Patching-12-SP3-2019-760=1
SUSE-SLE-Live-Patching-12-SP3-2019-762=1
SUSE-SLE-Live-Patching-12-SP3-2019-763=1
SUSE-SLE-Live-Patching-12-SP3-2019-764=1
Package List:
o SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):
kgraft-patch-4_4_120-94_17-default-11-2.1
kgraft-patch-4_4_120-94_17-default-debuginfo-11-2.1
kgraft-patch-4_4_126-94_22-default-11-2.1
kgraft-patch-4_4_126-94_22-default-debuginfo-11-2.1
kgraft-patch-4_4_131-94_29-default-9-2.1
kgraft-patch-4_4_131-94_29-default-debuginfo-9-2.1
kgraft-patch-4_4_132-94_33-default-9-2.1
kgraft-patch-4_4_132-94_33-default-debuginfo-9-2.1
kgraft-patch-4_4_138-94_39-default-7-2.1
kgraft-patch-4_4_138-94_39-default-debuginfo-7-2.1
kgraft-patch-4_4_140-94_42-default-7-2.1
kgraft-patch-4_4_140-94_42-default-debuginfo-7-2.1
kgraft-patch-4_4_143-94_47-default-5-2.1
kgraft-patch-4_4_143-94_47-default-debuginfo-5-2.1
kgraft-patch-4_4_155-94_50-default-5-2.1
kgraft-patch-4_4_155-94_50-default-debuginfo-5-2.1
kgraft-patch-4_4_156-94_57-default-5-2.1
kgraft-patch-4_4_156-94_57-default-debuginfo-5-2.1
kgraft-patch-4_4_156-94_61-default-5-2.1
kgraft-patch-4_4_156-94_61-default-debuginfo-5-2.1
kgraft-patch-4_4_156-94_64-default-4-2.1
kgraft-patch-4_4_156-94_64-default-debuginfo-4-2.1
kgraft-patch-4_4_162-94_69-default-3-2.1
kgraft-patch-4_4_162-94_69-default-debuginfo-3-2.1
kgraft-patch-4_4_162-94_72-default-3-2.1
kgraft-patch-4_4_162-94_72-default-debuginfo-3-2.1
References:
o https://www.suse.com/security/cve/CVE-2019-6974.html
o https://www.suse.com/security/cve/CVE-2019-7221.html
o https://www.suse.com/security/cve/CVE-2019-9213.html
o https://bugzilla.suse.com/1124729
o https://bugzilla.suse.com/1124734
o https://bugzilla.suse.com/1128378
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