CVE-2026-31559

Description

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fix missing NULL checks for kstrdup() 1. Replace "of_find_node_by_path("/")" with "of_root" to avoid multiple calls to "of_node_put()". 2. Fix a potential kernel oops during early boot when memory allocation fails while parsing CPU model from device tree.

References

• https://git.kernel.org/stable/c/3a28daa9b7d7c2ddf2c722e9e95d7e0928bf0cd1
• https://git.kernel.org/stable/c/5e7fde2c551f86e6c3de3fd7a9b1f52806ac8db0
• https://git.kernel.org/stable/c/a1da957c25cf751a2dce8fb7777f82ccbac0cb3e
• https://git.kernel.org/stable/c/b61a309743322fb57fb9afa9aa3495ac758e4f5e