SUSE-SU-2017:3306-1: important: Security update for the Linux Kernel (Live Patch 3 for SLE 12 SP2)
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sle-security-updates at lists.suse.com
Thu Dec 14 07:24:06 MST 2017
SUSE Security Update: Security update for the Linux Kernel (Live Patch 3 for SLE 12 SP2)
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Announcement ID: SUSE-SU-2017:3306-1
Rating: important
References: #1053153 #1055567 #1062847 #1069708
Cross-References: CVE-2017-10661 CVE-2017-16939
Affected Products:
SUSE Linux Enterprise Live Patching 12
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An update that solves two vulnerabilities and has two fixes
is now available.
Description:
This update for the Linux Kernel 4.4.21-90 fixes several issues.
The following security issues were fixed:
- CVE-2017-16939: The XFRM dump policy implementation in
net/xfrm/xfrm_user.c kernel allowed local users to gain privileges or
cause a denial of service (use-after-free) via a crafted SO_RCVBUF
setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink
messages (bsc#1069708).
- CVE-2017-10661: Race condition in fs/timerfd.c allowed local users to
gain privileges or cause a denial of service (list corruption or
use-after-free) via simultaneous file-descriptor operations that
leverage improper might_cancel queueing (bsc#1053153).
This non-security issue was fixed:
- bsc#1062847: Enable proper shut down if NIC teaming is enabled
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-12-2017-2048=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_21-90-default-11-2.1
References:
https://www.suse.com/security/cve/CVE-2017-10661.html
https://www.suse.com/security/cve/CVE-2017-16939.html
https://bugzilla.suse.com/1053153
https://bugzilla.suse.com/1055567
https://bugzilla.suse.com/1062847
https://bugzilla.suse.com/1069708
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