What is CVE-2026-64256?
A vulnerability in the Linux kernel's XFS filesystem has been resolved. An integer overflow could occur in the `dqiterate` function when the `q_id` variable wraps around upon reaching `XFS_DQ_ID_MAX`. Updating the kernel is required to mitigate this issue.
Azərbaycanca: Linux nüvəsində (kernel) XFS fayl sistemi ilə bağlı boşluq aşkarlanıb. `q_id` dəyişəninin `XFS_DQ_ID_MAX` dəyərinə çatdıqda `dqiterate` funksiyasında tam ədəd daşması (integer overflow) baş verə bilər. Bu problemi aradan qaldırmaq üçün kernel yenilənməlidir.
Related CVEs
link basis: same weakness class CWE-190; shared vendor: Linux
FAQ2
In which Linux kernel component was this vulnerability discovered?
This vulnerability was discovered in the XFS filesystem component of the Linux kernel.
What condition triggers the integer overflow in the dqiterate function?
The integer overflow in the dqiterate function can occur when the q_id variable wraps around upon reaching XFS_DQ_ID_MAX.
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.