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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: SUSE-SU-2019:1588-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15, SUSE Linux Enterprise Module for Live Patching 15-SP1
Datum: Fr, 21. Juni 2019, 09:01
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11478
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11487
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3846
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 10
for SLE 15)
______________________________________________________________________________

Announcement ID: SUSE-SU-2019:1588-1
Rating: important
References: #1133191 #1136446 #1136935 #1137597
Cross-References: CVE-2019-11477 CVE-2019-11478 CVE-2019-11487
CVE-2019-3846
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15-SP1
SUSE Linux Enterprise Module for Live Patching 15
______________________________________________________________________________

An update that fixes four vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-150_17 fixes several issues.

The following security issues were fixed:

- CVE-2019-3846: A flaw that allowed an attacker to corrupt memory and
possibly escalate privileges was found in the mwifiex kernel module
while connecting to a malicious wireless network (bsc#1136446).
- CVE-2019-11477: A sequence of SACKs may have been crafted by a remote
attacker such that one can trigger an integer overflow, leading to a
kernel panic. (bsc#1137586).
- CVE-2019-11478: It was possible to send a crafted sequence of SACKs
which would fragment the TCP retransmission queue. A remote attacker may
have been able to further exploit the fragmented queue to cause an
expensive linked-list walk for subsequent SACKs received for that same
TCP connection. (bsc#1137586)
- CVE-2019-11487: The Linux kernel allowed page->_refcount reference
count
overflow, with resultant use-after-free issues, if about 140 GiB of RAM
exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c,
include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c,
mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests
(bsc#1133191).


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:

- SUSE Linux Enterprise Module for Live Patching 15-SP1:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2019-1588=1

- SUSE Linux Enterprise Module for Live Patching 15:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2019-1578=1
SUSE-SLE-Module-Live-Patching-15-2019-1580=1



Package List:

- SUSE Linux Enterprise Module for Live Patching 15-SP1 (ppc64le x86_64):

kernel-livepatch-4_12_14-195-default-2-4.1

- SUSE Linux Enterprise Module for Live Patching 15 (ppc64le x86_64):

kernel-livepatch-4_12_14-150_14-default-2-2.1
kernel-livepatch-4_12_14-150_14-default-debuginfo-2-2.1
kernel-livepatch-4_12_14-150_17-default-2-2.1
kernel-livepatch-4_12_14-150_17-default-debuginfo-2-2.1


References:

https://www.suse.com/security/cve/CVE-2019-11477.html
https://www.suse.com/security/cve/CVE-2019-11478.html
https://www.suse.com/security/cve/CVE-2019-11487.html
https://www.suse.com/security/cve/CVE-2019-3846.html
https://bugzilla.suse.com/1133191
https://bugzilla.suse.com/1136446
https://bugzilla.suse.com/1136935
https://bugzilla.suse.com/1137597

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