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Sicherheit: Mehrere Probleme in Linux
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Linux
ID: SUSE-SU-2019:1882-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Module for Live Patching 15
Datum: Do, 18. Juli 2019, 23:27
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11477
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3846
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11478
Applikationen: Linux

Originalnachricht


SUSE Security Update: Security update for the Linux Kernel (Live Patch 9 for
SLE 15)
______________________________________________________________________________

Announcement ID: SUSE-SU-2019:1882-1
Rating: important
References: #1136446 #1137597 #1140747
Cross-References: CVE-2019-11477 CVE-2019-11478 CVE-2019-3846

Affected Products:
SUSE Linux Enterprise Module for Live Patching 15
______________________________________________________________________________

An update that fixes three vulnerabilities is now available.

Description:

This update for the Linux Kernel 4.12.14-150_14 fixes several issues.

The following security issues were fixed:

- CVE-2019-11477: Jonathan Looney discovered that the
TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow
when handling TCP Selective Acknowledgments (SACKs). A remote attacker
could use this to cause a denial of service. (bsc#1137586)
- CVE-2019-11478: Jonathan Looney discovered that the TCP retransmission
queue implementation in tcp_fragment could be fragmented when handling
certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker
could use this to cause a denial of service. (bsc#1137586)
- 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#1136424).

This update contains a regression fix for CVE-2019-11477 and
CVE-2019-11478 (bsc#1140747).


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-15-2019-1878=1
SUSE-SLE-Module-Live-Patching-15-2019-1879=1 SUSE-SLE-Module-Live-Patching-15-2019-1880=1 SUSE-SLE-Module-Live-Patching-15-2019-1881=1 SUSE-SLE-Module-Live-Patching-15-2019-1882=1 SUSE-SLE-Module-Live-Patching-15-2019-1883=1 SUSE-SLE-Module-Live-Patching-15-2019-1884=1 SUSE-SLE-Module-Live-Patching-15-2019-1885=1 SUSE-SLE-Module-Live-Patching-15-2019-1886=1 SUSE-SLE-Module-Live-Patching-15-2019-1887=1



Package List:

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

kernel-livepatch-4_12_14-150_14-default-3-2.1
kernel-livepatch-4_12_14-150_14-default-debuginfo-3-2.1
kernel-livepatch-4_12_14-150_17-default-3-2.1
kernel-livepatch-4_12_14-150_17-default-debuginfo-3-2.1
kernel-livepatch-4_12_14-25_13-default-8-2.1
kernel-livepatch-4_12_14-25_13-default-debuginfo-8-2.1
kernel-livepatch-4_12_14-25_16-default-7-2.1
kernel-livepatch-4_12_14-25_16-default-debuginfo-7-2.1
kernel-livepatch-4_12_14-25_19-default-7-2.1
kernel-livepatch-4_12_14-25_19-default-debuginfo-7-2.1
kernel-livepatch-4_12_14-25_22-default-6-2.1
kernel-livepatch-4_12_14-25_22-default-debuginfo-6-2.1
kernel-livepatch-4_12_14-25_25-default-5-2.1
kernel-livepatch-4_12_14-25_25-default-debuginfo-5-2.1
kernel-livepatch-4_12_14-25_28-default-4-2.1
kernel-livepatch-4_12_14-25_28-default-debuginfo-4-2.1
kernel-livepatch-4_12_14-25_3-default-11-2.1
kernel-livepatch-4_12_14-25_3-default-debuginfo-11-2.1
kernel-livepatch-4_12_14-25_6-default-10-2.1
kernel-livepatch-4_12_14-25_6-default-debuginfo-10-2.1


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-2019-3846.html
https://bugzilla.suse.com/1136446
https://bugzilla.suse.com/1137597
https://bugzilla.suse.com/1140747

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