SUSE: 2021:0457-3 Critical: Kernel Security Vulnerability Addressed
suse
January 26, 2018
An update that solves one vulnerability and has one errata is now available.
Summary
This update for the Linux Kernel 3.12.61-52_111 fixes one issue. The following security issue was fixed: - CVE-2017-15649: net/packet/af_packet.c in the Linux kernel allowed local users to gain privileges via crafted system calls that trigger mishandling of packet_fanout data structures, because of a race condition (involving fanout_add and packet_do_bind) that leads to a use-after-free. This fixes the earlier kgraft update, that could have caused crashes when trying to exploit this vulnerability after applying the kgraft update (bsc#1064392, bsc#1064388). 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 Server 12-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-2018-155=1
References
#1064388 #1064392
Cross- CVE-2017-15649
Affected Products:
SUSE Linux Enterprise Server 12-LTSS
https://www.suse.com/security/cve/CVE-2017-15649.html
https://bugzilla.suse.com/1064388
https://bugzilla.suse.com/1064392
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Announcement ID: SUSE-SU-2018:0233-1
Rating: important
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