CVE-2025-21667

MEDIUM EPSS 10.2%
Published Jan 31, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jan 31, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: iomap: avoid avoid truncating 64-bit offset to 32 bits on 32-bit kernels, iomap_write_delalloc_scan() was inadvertently using a 32-bit position due to folio_next_index() returning an unsigned long. This could lead to an infinite loop when writing to an xfs filesystem.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
10.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-835

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel* <6.1.127
linuxlinux_kernel*≥6.2  –  <6.6.74
linuxlinux_kernel*≥6.7  –  <6.12.11
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/402ce16421477e27f30b57d6d1a6dc248fa3a4e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7ca4bd6b754913910151acce00be093f03642725
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/91371922704c8d82049ef7c2ad974d0a2cd1174d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c13094b894de289514d84b8db56d1f2931a0bade
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/402ce16421477e27f30b57d6d1a6dc248fa3a4e4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7ca4bd6b754913910151acce00be093f03642725
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/91371922704c8d82049ef7c2ad974d0a2cd1174d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c13094b894de289514d84b8db56d1f2931a0bade
    Patch