Not sure , based from http://news.softpedia.com/news/mysql-zero-day-allows-database-takeover-508211.shtml , it says this:

"CVE-2016-6662 allows attackers to alter the my.conf file and load third-party code that will be executed with root privileges.
The second vulnerability Golunski discovered, which he didn't make public, is CVE-2016-6663. This is a variation of CVE-2016-6662, also leading to remote code execution under a root user"

Am 12.09.2016 um 20:25 schrieb Sergei Golubchik:

Hi, Alex!

On Sep 12, Alex wrote:

Hello,

In regards to this zero day remote exploit , it seems MariaDB is also
affected. Percona seems to have released new versions out to fix this.
Any news from MariaDB side ?

http://legalhackers.com/advisories/MySQL-Exploit-Remote-Root-Code-Execution-Privesc-CVE-2016-6662.html

Yes, it was https://jira.mariadb.org/browse/MDEV-10465,
fixed in 5.5.51, 10.0.27, 10.1.17, all released last month

thanks

but "MySQL-Exploit-Remote-Root-Code-Execution" is written by fools - how would a mysqld running as restricted user get root-privileges without any additional kernel-bug and who right in his mind is running mysqld as root where with port 3306 it donÄt need that privileges even for startup?

[root@srv-rhsoft:~]$ cat /usr/lib/systemd/system/mysqld.service
[Unit]
Description=MariaDB Database
Before=postfix.service dovecot.service dbmail-imapd.service dbmail-lmtpd.service dbmail-pop3d.service dbmail-timsieved.service

[Service]
Type=simple
User=mysql
Group=mysql
ExecStart=/usr/libexec/mysqld --defaults-file=/etc/my.cnf --pid-file=/dev/null
ExecStartPost=/usr/libexec/mysqld-wait-ready $MAINPID
Environment="LANG=en_GB.UTF-8"
Restart=always
RestartSec=1
TimeoutSec=300
LimitNOFILE=infinity
LimitMEMLOCK=infinity
OOMScoreAdjust=-1000
TasksMax=2048

PrivateTmp=yes
PrivateDevices=yes
NoNewPrivileges=yes
CapabilityBoundingSet=~CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_DAC_OVERRIDE CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT CAP_SYS_MODULE CAP_SYS_PTRACE
SystemCallFilter=~acct modify_ldt add_key adjtimex clock_adjtime delete_module fanotify_init finit_module get_mempolicy init_module kcmp kexec_load keyctl lookup_dcookie mbind mount open_by_handle_at perf_event_open pivot_root process_vm_readv process_vm_writev ptrace request_key set_mempolicy swapoff swapon umount2 uselib vmsplice
RestrictAddressFamilies=AF_UNIX AF_LOCAL AF_INET AF_INET6
SystemCallArchitectures=x86-64

ReadOnlyDirectories=/etc
ReadOnlyDirectories=/usr
ReadOnlyDirectories=/var/lib
ReadWriteDirectories=/var/lib/mysql


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