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Sicherheit: Ausführen von Code mit höheren Privilegien in Linux
Aktuelle Meldungen Distributionen
Name: Ausführen von Code mit höheren Privilegien in Linux
ID: SUSE-SU-2019:1768-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Live Patching 12-SP3
Datum: Mo, 8. Juli 2019, 19:42
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11487
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 26
for SLE 12 SP3)
______________________________________________________________________________

Announcement ID: SUSE-SU-2019:1768-1
Rating: important
References: #1133191
Cross-References: CVE-2019-11487
Affected Products:
SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for the Linux Kernel 4.4.180-94_97 fixes one issue.

The following security issue was fixed:

- 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 Live Patching 12-SP3:

zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-1768=1



Package List:

- SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):

kgraft-patch-4_4_180-94_97-default-2-2.1
kgraft-patch-4_4_180-94_97-default-debuginfo-2-2.1


References:

https://www.suse.com/security/cve/CVE-2019-11487.html
https://bugzilla.suse.com/1133191

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