What is CVE-2026-64259?
CVE-2026-64259 is a vulnerability found in the fuse-uring subsystem of the Linux kernel. Malicious userspace could exploit it by manipulating commit SQEs for requests not yet sent to the fuse server. The fix ensures that a fuse_req is only findable after the memcpy operation completes.
Azərbaycanca: CVE-2026-64259 Linux kernel-in fuse-uring alt sistemində aşkarlanmış boşluqdur. Zərərli istifadəçi sahəsi (userspace) göndərilməmiş sorğular üçün commit SQE-lərini manipulyasiya edə bilər. Problemi aradan qaldırmaq üçün fuse_req-in yalnız memcpy əməliyyatından sonra tapıla bilən hala gətirilməsi təmin edilməlidir.
Related CVEs
link basis: shared vendor: Linux
FAQ2
Which subsystem of the Linux kernel is affected by CVE-2026-64259?
This vulnerability is found in the fuse-uring subsystem of the Linux kernel.
What does an attacker need to manipulate to exploit CVE-2026-64259?
Malicious userspace could manipulate commit SQEs for requests not yet sent to the fuse server.
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.