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SUSE: 2020:1767-1 Important Update for Kernel Denial of Service

suse
Calendar Grey June 25, 2020
Dist Suse Esm H88
SUSE patch release tackles urgent kernel vulnerabilities in SLE 12 SP2, providing comprehensive solutions and clear guidelines for implementation.
An update that fixes two vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.121-92_117 fixes several issues. The following security issues were fixed: - CVE-2020-10757: Fixed an issue where remaping hugepage DAX to anon mmap could have caused user PTE access (bsc#1172437). - CVE-2019-15666: Fixed an out of bounds read __xfrm_policy_unlink, which could have led to denial of service (bsc#1172140). 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-SP2-2020-1766=1 SUSE-SLE-SAP-12-SP2-2020-1767=1 SUSE-SLE-SAP-12-SP2-2020-1768=1 - SUSE Linux Enterprise Server 12-SP2-LTSS:

Topics%20covered

Topics Covered

security advisory denial of service security issue kernel SUSE important update Linux Kernel

References

#1172140 #1172437

Cross- CVE-2019-15666 CVE-2020-10757

Affected Products:

SUSE Linux Enterprise Server for SAP 12-SP2

SUSE Linux Enterprise Server 12-SP2-LTSS

https://www.suse.com/security/cve/CVE-2019-15666.html

https://www.suse.com/security/cve/CVE-2020-10757.html

https://bugzilla.suse.com/1172140

https://bugzilla.suse.com/1172437

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:1767-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service security issue kernel SUSE important update Linux Kernel

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