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AUSCERT External Security Bulletin Redistribution
ESB-2017.1250
SUSE Security Update: Security update for Linux Kernel Live
Patch 6 for SLE 12 SP2
17 May 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: SUSE
Operating System: SUSE
Impact/Access: Root Compromise -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-7308 CVE-2017-7294
Reference: ESB-2017.1224
ESB-2017.1223
ESB-2017.1198
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SUSE Security Update: Security update for Linux Kernel Live Patch 6 for SLE 12 SP2
______________________________________________________________________________
Announcement ID: SUSE-SU-2017:1308-1
Rating: important
References: #1030575 #1031440 #1031481 #1031660
Cross-References: CVE-2017-7294 CVE-2017-7308
Affected Products:
SUSE Linux Enterprise Live Patching 12
______________________________________________________________________________
An update that solves two vulnerabilities and has two fixes
is now available.
Description:
This update for the Linux Kernel 4.4.49-92_14 fixes several issues.
The following security bugs were fixed:
- CVE-2017-7308: The packet_set_ring function in net/packet/af_packet.c in
the Linux kernel did not properly validate certain block-size data,
which allowed local users to cause a denial of service (overflow) or
possibly have unspecified other impact via crafted system calls
(bsc#1030575, bsc#1031660).
- CVE-2017-7294: The vmw_surface_define_ioctl function in
drivers/gpu/drm/vmwgfx/vmwgfx_surface.c in the Linux kernel did not
validate addition of certain levels data, which allowed local users to
trigger an integer overflow and out-of-bounds write, and cause a denial
of service (system hang or crash) or possibly gain privileges, via a
crafted ioctl call for a /dev/dri/renderD* device (bsc#1031440,
bsc#1031481).
Patch Instructions:
To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Live Patching 12:
zypper in -t patch SUSE-SLE-Live-Patching-12-2017-786=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE Linux Enterprise Live Patching 12 (x86_64):
kgraft-patch-4_4_49-92_14-default-2-2.1
References:
https://www.suse.com/security/cve/CVE-2017-7294.html
https://www.suse.com/security/cve/CVE-2017-7308.html
https://bugzilla.suse.com/1030575
https://bugzilla.suse.com/1031440
https://bugzilla.suse.com/1031481
https://bugzilla.suse.com/1031660
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
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