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SUSE: 2019:1588-1 Important: Kernel Live Patch for Security Flaws

suse
Calendar Grey June 20, 2019
Dist Suse Esm H88
SUSE Security Bulletin unveils resolutions for multiple vulnerabilities within the Linux Kernel, essential for preserving operational security.
An update that fixes four vulnerabilities is now available

Summary

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)

References

#1133191 #1136446 #1136935 #1137597

Cross- 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

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:1588-1
Rating: important

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