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Linux Kernel 4.1.15 LTS Out Now with Btrfs, EXT4, and IPv6 Improvements

All users of the Linux 4.1 LTS kernel branch must update

Dec 16, 2015 00:30 GMT  ·  By
Linux kernel 4.1.15 LTS released
   Linux kernel 4.1.15 LTS released

After announcing the release of Linux kernel 4.2.8 and the end of life for the Linux 4.2 series, Greg Kroah-Hartman has published details about the immediate availability of the fifteenth maintenance release of the long-term supported Linux 4.1 kernel.

According to the appended diff from Linux kernel 4.1.14 LTS, which was released approximately one week ago, the Linux 4.1.15 LTS kernel brings dozens of updates, starting with many improvements to the Btrfs, EXT4, Ceph, NFS, JBD2, and OCFS2 filesystems, and continuing with several updated drivers, especially for things like Firewire and networking (mostly USB and PHY).

"I'm announcing the release of the 4.1.15 kernel. All users of the 4.1 kernel series must upgrade," said Greg Kroah-Hartman in the release announcement. "The updated 4.1.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.1.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary."

The networking stack has received several improvements

Linux kernel 4.1.15 LTS also adds multiple improvements to the networking stack. It thus updates things like the IPv6 and IPv4 protocols, the Layer Two Tunneling Protocol (L2TP) extension of the Point-to-Point Tunneling Protocol (PPTP), the Reliable Datagram Sockets (RDS) protocol, as well as the Stream Control Transmission Protocol (SCTP).

All users of GNU/Linux operating systems powered by kernel packages from the long-term supported Linux 4.1 series are recommended to update to Linux kernel 4.1.15 as soon as possible, or more precisely as soon as the new version arrives in the default software repositories of their distributions.

On the other hand, we're urging OS vendors to download the Linux kernel 4.1.15 LTS sources right now via Softpedia or from the kernel.org website, start compiling it by hand, and then distribute the new kernel package for their users via the main software repos of the respective GNU/Linux distributions.