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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: openSUSE-SU-2017:0458-1
Distribution: SUSE
Plattformen: SUSE openSUSE Leap 42.1
Datum: Mo, 13. Februar 2017, 22:59
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9806
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7917
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10147
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7117
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-10088
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5551
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8645
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9793

Originalnachricht

   openSUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID: openSUSE-SU-2017:0458-1
Rating: important
References: #1003077 #1007886 #1009969 #1010444 #1011820
#1013273 #1013531 #1013540 #1013542 #1017589
#1017710 #1019658 #1019660 #1019784 #1020214
#1020381 #1021258 #983348 #987333 #987576

Cross-References: CVE-2016-10088 CVE-2016-10147 CVE-2016-7117
CVE-2016-7917 CVE-2016-8645 CVE-2016-9793
CVE-2016-9806 CVE-2017-5551
Affected Products:
openSUSE Leap 42.1
______________________________________________________________________________

An update that solves 8 vulnerabilities and has 12 fixes is
now available.

Description:


The openSUSE Leap 42.1 kernel to 4.1.38 to receive various security and
bugfixes.

The following security bugs were fixed:

- CVE-2016-7117: Use-after-free vulnerability in the __sys_recvmmsg
function in net/socket.c in the Linux kernel allowed remote attackers to
execute arbitrary code via vectors involving a recvmmsg system call that
is mishandled during error processing (bnc#1003077).
- CVE-2017-5551: tmpfs: Fixed a bug that could have allowed users to set
setgid bits on files they don't down (bsc#1021258).
- CVE-2016-10147: crypto/mcryptd.c in the Linux kernel allowed local users
to cause a denial of service (NULL pointer dereference and system crash)
by using an AF_ALG socket with an incompatible algorithm, as
demonstrated by mcryptd(md5) (bnc#1020381).
- CVE-2016-10088: The sg implementation in the Linux kernel did not
properly restrict write operations in situations where the KERNEL_DS
option is set, which allowed local users to read or write to arbitrary
kernel memory locations or cause a denial of service (use-after-free) by
leveraging access to a /dev/sg device, related to block/bsg.c and
drivers/scsi/sg.c. NOTE: this vulnerability exists because of an
incomplete fix for CVE-2016-9576 (bnc#1017710).
- CVE-2016-7917: The nfnetlink_rcv_batch function in
net/netfilter/nfnetlink.c in the Linux kernel did not check whether a
batch message's length field is large enough, which allowed local
users
to obtain sensitive information from kernel memory or cause a denial of
service (infinite loop or out-of-bounds read) by leveraging the
CAP_NET_ADMIN capability (bnc#1010444).
- CVE-2016-8645: The TCP stack in the Linux kernel mishandled skb
truncation, which allowed local users to cause a denial of service
(system crash) via a crafted application that made sendto system calls,
related to net/ipv4/tcp_ipv4.c and net/ipv6/tcp_ipv6.c (bnc#1009969).
- CVE-2016-9806: Race condition in the netlink_dump function in
net/netlink/af_netlink.c in the Linux kernel allowed local users to
cause a denial of service (double free) or possibly have unspecified
other impact via a crafted application that made sendmsg system calls,
leading to a free operation associated with a new dump that started
earlier than anticipated (bnc#1013540 1017589).
- CVE-2016-9793: The sock_setsockopt function in net/core/sock.c in the
Linux kernel mishandled negative values of sk_sndbuf and sk_rcvbuf,
which allowed local users to cause a denial of service (memory
corruption and system crash) or possibly have unspecified other impact
by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt
system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option
(bnc#1013531 1013542).

The following non-security bugs were fixed:

- PCI: generic: Fix pci_remap_iospace() failure path (bsc#1019658).
- bcache: partition support: add 16 minors per bcacheN device
(bsc#1019784).
- bnx2x: Correct ringparam estimate when DOWN (bsc#1020214).
- clk: xgene: Do not call __pa on ioremaped address (bsc#1019660).
- kABI workaround for 4.1.37 mount changes (stable-4.1.37).
- kABI: reintroduce sk_filter (bsc#1009969).
- kabi/severities: Ignore inode_change_ok change It's renamed in 4.1.37
to
setattr_prepare()
- mpi: Fix NULL ptr dereference in mpi_powm() [ver #3] (bsc#1011820).
- net: introduce __sock_queue_rcv_skb() function (bsc#1009969).
- netback: correct array index (bsc#983348).
- netfront: do not truncate grant references.
- netfront: use correct linear area after linearizing an skb (bsc#1007886).
- reiserfs: fix race in prealloc discard (bsc#987576).
- rose: limit sk_filter trim to payload (bsc#1009969).
- scsi: bfa: Increase requested firmware version to 3.2.5.1 (bsc#1013273).
- xenbus: correctly signal errors from xenstored_local_init() (luckily
none so far).
- xenbus: do not invoke ->is_ready() for most device states (bsc#987333).


Patch Instructions:

To install this openSUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product:

- openSUSE Leap 42.1:

zypper in -t patch openSUSE-2017-246=1

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


Package List:

- openSUSE Leap 42.1 (i686 x86_64):

kernel-debug-4.1.38-47.1
kernel-debug-base-4.1.38-47.1
kernel-debug-base-debuginfo-4.1.38-47.1
kernel-debug-debuginfo-4.1.38-47.1
kernel-debug-debugsource-4.1.38-47.1
kernel-debug-devel-4.1.38-47.1
kernel-debug-devel-debuginfo-4.1.38-47.1
kernel-ec2-4.1.38-47.1
kernel-ec2-base-4.1.38-47.1
kernel-ec2-base-debuginfo-4.1.38-47.1
kernel-ec2-debuginfo-4.1.38-47.1
kernel-ec2-debugsource-4.1.38-47.1
kernel-ec2-devel-4.1.38-47.1
kernel-pv-4.1.38-47.1
kernel-pv-base-4.1.38-47.1
kernel-pv-base-debuginfo-4.1.38-47.1
kernel-pv-debuginfo-4.1.38-47.1
kernel-pv-debugsource-4.1.38-47.1
kernel-pv-devel-4.1.38-47.1
kernel-vanilla-4.1.38-47.1
kernel-vanilla-debuginfo-4.1.38-47.1
kernel-vanilla-debugsource-4.1.38-47.1
kernel-vanilla-devel-4.1.38-47.1
kernel-xen-4.1.38-47.1
kernel-xen-base-4.1.38-47.1
kernel-xen-base-debuginfo-4.1.38-47.1
kernel-xen-debuginfo-4.1.38-47.1
kernel-xen-debugsource-4.1.38-47.1
kernel-xen-devel-4.1.38-47.1

- openSUSE Leap 42.1 (i586 x86_64):

kernel-default-4.1.38-47.1
kernel-default-base-4.1.38-47.1
kernel-default-base-debuginfo-4.1.38-47.1
kernel-default-debuginfo-4.1.38-47.1
kernel-default-debugsource-4.1.38-47.1
kernel-default-devel-4.1.38-47.1
kernel-obs-build-4.1.38-47.3
kernel-obs-build-debugsource-4.1.38-47.3
kernel-obs-qa-4.1.38-47.1
kernel-syms-4.1.38-47.1

- openSUSE Leap 42.1 (noarch):

kernel-devel-4.1.38-47.1
kernel-docs-4.1.38-47.2
kernel-docs-html-4.1.38-47.2
kernel-docs-pdf-4.1.38-47.2
kernel-macros-4.1.38-47.1
kernel-source-4.1.38-47.1
kernel-source-vanilla-4.1.38-47.1

- openSUSE Leap 42.1 (i686):

kernel-pae-4.1.38-47.1
kernel-pae-base-4.1.38-47.1
kernel-pae-base-debuginfo-4.1.38-47.1
kernel-pae-debuginfo-4.1.38-47.1
kernel-pae-debugsource-4.1.38-47.1
kernel-pae-devel-4.1.38-47.1


References:

https://www.suse.com/security/cve/CVE-2016-10088.html
https://www.suse.com/security/cve/CVE-2016-10147.html
https://www.suse.com/security/cve/CVE-2016-7117.html
https://www.suse.com/security/cve/CVE-2016-7917.html
https://www.suse.com/security/cve/CVE-2016-8645.html
https://www.suse.com/security/cve/CVE-2016-9793.html
https://www.suse.com/security/cve/CVE-2016-9806.html
https://www.suse.com/security/cve/CVE-2017-5551.html
https://bugzilla.suse.com/1003077
https://bugzilla.suse.com/1007886
https://bugzilla.suse.com/1009969
https://bugzilla.suse.com/1010444
https://bugzilla.suse.com/1011820
https://bugzilla.suse.com/1013273
https://bugzilla.suse.com/1013531
https://bugzilla.suse.com/1013540
https://bugzilla.suse.com/1013542
https://bugzilla.suse.com/1017589
https://bugzilla.suse.com/1017710
https://bugzilla.suse.com/1019658
https://bugzilla.suse.com/1019660
https://bugzilla.suse.com/1019784
https://bugzilla.suse.com/1020214
https://bugzilla.suse.com/1020381
https://bugzilla.suse.com/1021258
https://bugzilla.suse.com/983348
https://bugzilla.suse.com/987333
https://bugzilla.suse.com/987576

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