Linux Kernel 6.13 RC6: Minor Updates After Holiday Break

Linux Kernel 6.13 RC6 release: After-holiday development activities recover

On January 5, 2025, Linus Torvalds released the sixth version of Linux Kernel 6.13 (RC6). Linux kernel 6.13-rc6 marks the recovery of post-holiday development activities. While submission activity remains below normal levels, activity is expected to rebound as developers return from the holidays. The changes to rc6 mainly include driver updates and bug fixes, without prominent major issues. : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : Here are the highlights of this release:

Activity increase:

The number of submissions doubled compared to the previous week, indicating that the developers have returned. Linus Torvalds expects this trend to continue as the “food coma” fades.

Driver Focus:

Most changes involve driver updates, especially for GPUs, RDMA and networks. This indicates that improvements and optimizations are underway in these areas.

Error Fix:

Contains various bug fixes, solving problems from race conditions to memory leaks. This highlights the ongoing focus on stability and reliability.
• Significant changes

Changes are mainly focused on driver updates for graphics processing units (GPUs), remote direct memory access (RDMA), and networks. There are also many

smaller bug fixes for various subsystems.

Some notable changes include:

• ALSA: Multiple fixes enhance system stability by targeting race conditions and potential use-after-free vulnerabilities in the ALSA sound subsystem.
• RDMA: Many updates and fixes have been implemented for various RDMA drivers (bnxt_re, hns, mlx5), with the focus on performance improvements, error handling and accurate reporting.
• Network: This release includes fixes for memory leaks, offload issues, and VLAN handling in various network components, enhancing network performance and reliability.
• Memory Management: Improved memory management, including fixing potential leaks in the list_lru mechanism and enhancing handling of giant pages.
• Security: Fixed potential integer overflow issues in RDMA and SCTP components, enhancing system security.

Try Linux Kernel 6.13 RC6

As usual, users and developers are encouraged to thoroughly test the Kernel 6.13 rc6 version and report any issues.

You can download the Kernel 6.13-rc6 source code from the official Linux Kernel Archive or Linus Torvalds git tree.

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