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Sicherheit: Zwei Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Linux
ID: SUSE-SU-2018:2933-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15
Datum: Fr, 28. September 2018, 17:48
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15471
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10853
Applikationen: Linux

Originalnachricht

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 3 for
SLE 15)
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:2933-1
Rating: important
References: #1097108 #1103203 #1105026
Cross-References: CVE-2018-10853 CVE-2018-15471
Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
______________________________________________________________________________

An update that solves two vulnerabilities and has one
errata is now available.

Description:

This update for the Linux Kernel 4.12.14-25_11 fixes several issues.

The following security issues were fixed:

- CVE-2018-15471: An issue was discovered in xenvif_set_hash_mapping in
drivers/net/xen-netback/hash.c. The Linux netback driver allowed
frontends to control mapping of requests to request queues. When
processing a request to set or change this mapping, some input
validation (e.g., for an integer overflow) was missing or flawed,
leading to OOB access in hash handling. A malicious or buggy frontend
may cause the (usually privileged) backend to make out of bounds memory
accesses, potentially resulting in one or more of privilege escalation,
Denial of Service (DoS), or information leaks (bsc#1105026).
- CVE-2018-10853: A KVM guest userspace to guest kernel write was fixed,
which could be used by guest users to crash the guest kernel
(bsc#1097108).


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:

zypper in -t patch SUSE-SLE-Module-Live-Patching-15-2018-2072=1



Package List:

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

kernel-livepatch-4_12_14-25_13-default-2-2.2
kernel-livepatch-4_12_14-25_13-default-debuginfo-2-2.2


References:

https://www.suse.com/security/cve/CVE-2018-10853.html
https://www.suse.com/security/cve/CVE-2018-15471.html
https://bugzilla.suse.com/1097108
https://bugzilla.suse.com/1103203
https://bugzilla.suse.com/1105026

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