CVEvulnerability

CVE-2023-54285

7.8 HIGH Published 2025-12-30 Modified 2026-10-15 Official page ↗
Status
Modified
Published
2025-12-30
Last modified
2026-10-15
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
7.1 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-787

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.

Affected configurations

• linux linux kernel (>= 6.1.92 < 6.1.162) • linux linux kernel (>= 6.2 < 6.5.5)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References