CVE-2025-21665: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem.

Affected products

• Linux Linux Kernel: from 5.12, before 5.15.177 (fixed in 5.15.177); from 5.16, before 6.1.127 (fixed in 6.1.127); from 6.2, before 6.6.74 (fixed in 6.6.74); from 6.7, before 6.12.11 (fixed in 6.12.11); version 6.13 only

Published 2025-01-31. Last modified 2026-06-17.