“Eleven years ago or thereabouts, the Linux kernel got support for the Datagram Congestion Control Protocol – and also got a privilege escalation bug that has just been fixed.
Users are advised to update the software on their system as soon as the patch lands in their distro. You should also check to see if the buggy DCCP support is actually present in your kernel. If it’s not compiled in, or if you can remove it as a module, you will avoid the bug.”
See Linux kernel gets patch for 11-year-old local-root-hole security bugAs usual, bugs happen, even bad bugs. This one doesn’t bother me as my kernel configs contain:
“grep DCCP /boot/config-4.4.50
# CONFIG_NF_CT_PROTO_DCCP is not set
# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
# CONFIG_IP_DCCP is not set”
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My MissionMy observations and opinions about IT are based on 40 years of use in science and technology and lately, in education. I like IT that is fast, cost-effective and reliable. I do not care whether my solution is the same as yours. I like to think for myself.
My first use of GNU/Linux in 2001 was so remarkably better than what I had been using, I feel it is important work to share GNU/Linux with the world. I have been blessed by working in schools where students and school systems have benefited by good, modular software easily installed in most systems.
I have shown GNU/Linux to thousands of students and hundreds of teachers over the years and will continue in some way doing that until I die in spite of the opposition.