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SUSE: 2018:0282-1 Important: Kernel Live Patch 10 Privilege Escalation

suse
Calendar Grey January 30, 2018
Dist Suse Esm H88
Important SUSE Linux Kernel enhancement addressing two critical vulnerabilities: potential privilege elevation and threats of service disruption.
An update that solves two vulnerabilities and has one errata is now available.

Summary

This update for the Linux Kernel 4.4.74-92_29 fixes several issues. The following security issues were fixed: - CVE-2017-17712: The raw_sendmsg() function had a race condition that lead to uninitialized stack pointer usage. This allowed a local user to execute code and gain privileges (bsc#1073230). - CVE-2017-16939: The XFRM dump policy implementation allowed local users to gain privileges or cause a denial of service (use-after-free) via a crafted SO_RCVBUF setsockopt system call in conjunction with XFRM_MSG_GETPOLICY Netlink messages (bsc#1069708). 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: zypper in -t patch SUSE-SLE-Live-Patching-12-2018-200=1

References

#1069708 #1070307 #1073230

Cross- CVE-2017-16939 CVE-2017-17712

Affected Products:

SUSE Linux Enterprise Live Patching 12

https://www.suse.com/security/cve/CVE-2017-16939.html

https://www.suse.com/security/cve/CVE-2017-17712.html

https://bugzilla.suse.com/1069708

https://bugzilla.suse.com/1070307

https://bugzilla.suse.com/1073230

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Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2018:0282-1
Rating: important

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