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SUSE: 2019:2230-1 Critical: Kernel Patch to Prevent DoS on SLE 12 SP2

suse
Calendar Grey August 28, 2019
Dist Suse Esm H88
SUSE releases vital security enhancement for SLE 12 SP2, mitigating severe kernel vulnerabilities to avert service disruption threats.
An update that fixes one vulnerability is now available

Summary

This update for the Linux Kernel 4.4.121-92_117 fixes one issue. The following security issue was fixed: - CVE-2018-5390: Fixed expensive calls to tcp_collapse_ofo_queue() and tcp_prune_ofo_queue() for every incoming packet which could have led to a denial of service (bsc#1102682). 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 Server for SAP 12-SP2: zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-2230=1 - SUSE Linux Enterprise Server 12-SP2-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2019-2230=1 Package List: - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

Topics%20covered

Topics Covered

security advisory denial of service kernel patch SUSE important update SLE 12

References

#1102682

Cross- CVE-2018-5390

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP2

SUSE Linux Enterprise Server 12-SP2-LTSS

https://www.suse.com/security/cve/CVE-2018-5390.html

https://bugzilla.suse.com/1102682

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2019:2230-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service kernel patch SUSE important update SLE 12

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