What is CVE-2026-68450?
A vulnerability has been identified in the Linux kernel's btrfs filesystem where the __add_reloc_root() function fails to free an allocated mapping_node upon detecting a duplicate reloc root insert in rc->reloc_root_tree, leading to a memory leak. Systems using the btrfs filesystem are affected, and updating the kernel is required to resolve this issue.
Azərbaycanca: CVE-2026-68450 Linux kernel-in btrfs fayl sistemində aşkar edilib. __add_reloc_root() funksiyasında dublikat reloc root daxil edilərkən artıq ayrılmış mapping_node yaddaşını azad etməməsi nəticəsində yaddaş sızması (memory leak) baş verir. Bu problemi aradan qaldırmaq üçün kernel yenilənməlidir.
FAQ2
In which component of the Linux kernel is the CVE-2026-68450 vulnerability present?
The vulnerability exists in the btrfs filesystem of the Linux kernel, specifically in the __add_reloc_root() function.
What issue does CVE-2026-68450 cause and how is it resolved?
It causes a memory leak by not freeing the allocated mapping_node upon detecting a duplicate reloc root insert. The issue is resolved by updating the kernel.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.