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[security-announce] SUSE-SU-2017:2088-1: important: Security update for Linux Kernel Live Patch 8 for SLE 12 SP1
SUSE Security Update: Security update for Linux Kernel Live Patch 8 for SLE
12 SP1
______________________________________________________________________________

Announcement ID: SUSE-SU-2017:2088-1
Rating: important
References: #1027575 #1038564 #1042892 #1046191 #1050751

Cross-References: CVE-2017-2636 CVE-2017-7533 CVE-2017-7645
CVE-2017-8890 CVE-2017-9242
Affected Products:
SUSE Linux Enterprise Server for SAP 12-SP1
SUSE Linux Enterprise Server 12-SP1-LTSS
______________________________________________________________________________

An update that fixes 5 vulnerabilities is now available.

Description:

This update for the Linux Kernel 3.12.62-60_64_8 fixes several issues.

The following security bugs were fixed:

- CVE-2017-7533: A bug in inotify code allowed local users to escalate
privilege (bsc#1050751).
- CVE-2017-7645: The NFSv2/NFSv3 server in the nfsd subsystem in the Linux
kernel allowed remote attackers to cause a denial of service (system
crash) via a long RPC reply, related to net/sunrpc/svc.c,
fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c (bsc#1046191).
- CVE-2017-2636: Race condition in drivers/tty/n_hdlc.c in the Linux
kernel allowed local users to gain privileges or cause a denial of
service (double free) by setting the HDLC line discipline (bsc#1027575).
- CVE-2017-9242: The __ip6_append_data function in net/ipv6/ip6_output.c
in the Linux kernel is too late in checking whether an overwrite of an
skb data structure may occur, which allowed local users to cause a
denial of service (system crash) via crafted system calls (bsc#1042892).
- CVE-2017-8890: The inet_csk_clone_lock function in
net/ipv4/inet_connection_sock.c in the Linux kernel allowed attackers to
cause a denial of service (double free) or possibly have unspecified
other impact by leveraging use of the accept system call (bsc#1038564).


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 Server for SAP 12-SP1:

zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1295=1

- SUSE Linux Enterprise Server 12-SP1-LTSS:

zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1295=1

To bring your system up-to-date, use "zypper patch".


Package List:

- SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):

kgraft-patch-3_12_62-60_64_8-default-10-2.1
kgraft-patch-3_12_62-60_64_8-xen-10-2.1

- SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

kgraft-patch-3_12_62-60_64_8-default-10-2.1
kgraft-patch-3_12_62-60_64_8-xen-10-2.1


References:

https://www.suse.com/security/cve/CVE-2017-2636.html
https://www.suse.com/security/cve/CVE-2017-7533.html
https://www.suse.com/security/cve/CVE-2017-7645.html
https://www.suse.com/security/cve/CVE-2017-8890.html
https://www.suse.com/security/cve/CVE-2017-9242.html
https://bugzilla.suse.com/1027575
https://bugzilla.suse.com/1038564
https://bugzilla.suse.com/1042892
https://bugzilla.suse.com/1046191
https://bugzilla.suse.com/1050751

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