VULNERABILITY INTELLIGENCE
CVE-2023-54285
CVSS score7.1 HIGH
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-12-30
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomap_write_delalloc_scan folio_next_index() returns an unsigned long value which left shifted by PAGE_SHIFT could possibly cause an overflow on 32-bit system. Instead use folio_pos(folio) + folio_size(folio), which does this correctly.
Weakness classification
- nvd@nist.gov: CWE-787