SUSE: 2017:0228-1 Important: Linux Kernel Live Patch Security Issues
suse
January 20, 2017
An update that fixes four vulnerabilities is now available
Summary
This update for the Linux Kernel 4.4.21-81 fixes several issues. The following security bugs were fixed: - CVE-2016-10088: The sg implementation in the Linux kernel did not properly restrict write operations in situations where the KERNEL_DS option is set, which allowed local users to read or write to arbitrary kernel memory locations or cause a denial of service (use-after-free) by leveraging access to a /dev/sg device, related to block/bsg.c and drivers/scsi/sg.c. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9576 (bsc#1019079). - CVE-2016-9794: Race condition in the snd_pcm_period_elapsed function in sound/core/pcm_lib.c in the ALSA subsystem in the Linux kernel allowed local users to cause a denial of service (use-after-free) or possibly
References
#1012852 #1013543 #1014271 #1019079
Cross- CVE-2016-10088 CVE-2016-8632 CVE-2016-9576
CVE-2016-9794
Affected Products:
SUSE Linux Enterprise Live Patching 12
https://www.suse.com/security/cve/CVE-2016-10088.html
https://www.suse.com/security/cve/CVE-2016-8632.html
https://www.suse.com/security/cve/CVE-2016-9576.html
https://www.suse.com/security/cve/CVE-2016-9794.html
https://bugzilla.suse.com/1012852
https://bugzilla.suse.com/1013543
https://bugzilla.suse.com/1014271
https://bugzilla.suse.com/1019079
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Announcement ID: SUSE-SU-2017:0228-1
Rating: important
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