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Sicherheit: Denial of Service in Linux
Aktuelle Meldungen Distributionen
Name: Denial of Service in Linux
ID: SUSE-SU-2018:0595-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Live Patching 12-SP3
Datum: Sa, 3. März 2018, 01:15
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18075
Applikationen: Linux

Originalnachricht

   SUSE Security Update: Security update for the Linux Kernel (Live Patch 1 for
SLE 12 SP3)
______________________________________________________________________________

Announcement ID: SUSE-SU-2018:0595-1
Rating: important
References: #1077404
Cross-References: CVE-2017-18075
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 4.4.82-6_3 fixes one issue.

The following security issue was fixed:

- CVE-2017-18075: crypto/pcrypt.c in the Linux kernel mishandled freeing
instances, allowing a local user able to access the AF_ALG-based AEAD
interface (CONFIG_CRYPTO_USER_API_AEAD) and pcrypt
(CONFIG_CRYPTO_PCRYPT) to cause a denial of service (kfree of an
incorrect pointer) or possibly have unspecified other impact by
executing a crafted sequence of system calls (bsc#1077404).


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 Live Patching 12-SP3:

zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2018-406=1

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


Package List:

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

kgraft-patch-4_4_82-6_3-default-6-2.1
kgraft-patch-4_4_82-6_3-default-debuginfo-6-2.1


References:

https://www.suse.com/security/cve/CVE-2017-18075.html
https://bugzilla.suse.com/1077404

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