========================================================================== Kernel Live Patch Security Notice LSN-0034-1 January 9, 2018 linux vulnerability ========================================================================== A security issue affects these releases of Ubuntu: | Series | Base kernel | Arch | flavors | |------------------+--------------+----------+------------------| | Ubuntu 16.04 LTS | 4.4.0 | amd64 | generic | | Ubuntu 16.04 LTS | 4.4.0 | amd64 | lowlatency | | Ubuntu 14.04 LTS | 4.4.0 | amd64 | generic | | Ubuntu 14.04 LTS | 4.4.0 | amd64 | lowlatency | Summary: On January 9, fixes for CVE-2017-5754 were released into the Ubuntu Xenial kernel version 4.4.0-108.131. This CVE, also known as "Meltdown," is a security vulnerability caused by flaws in the design of speculative execution hardware in the computer's CPU. Details on the vulnerability and our response can be found here: https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SpectreAndMeltdown Due to the high complexity of the fixes, we are unable to livepatch this CVE. Please plan to reboot into kernel version 4.4.0-108.131 or newer as soon as possible. Software Description: - linux: Linux kernel Update instructions: The problem can be corrected by installing an updated kernel with these fixes and rebooting. References: CVE-2017-5754 -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce