Review reviewHigh

CVE-2025-38652

Linux Linux, linux kernel, debian linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-boundary access in devs.path - touch /mnt/f2fs/012345678901234567890123456789012345678901234567890123 - truncate -s $((1024*1024*1024)) \ /mnt/f2fs/012345678901234567890123456789012345678901234567890123 - touch /mnt/f2fs/file - truncate -s $((1024*1024*1024)) /mnt/f2fs/file - mkfs.f2fs /mnt/f2fs/012345678901234567890123456789012345678901234567890123 \ -c /mnt/f2fs/file - mount /mnt/f2fs/012345678901234567890123456789012345678901234567890123 \ /mnt/f2fs/loop [16937.192225] F2FS-fs (loop0): Mount Dev...

CVSS
7.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2025.08.23
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-boundary access in devs.path - touch /mnt/f2fs/012345678901234567890123456789012345678901234567890123 - truncate -s $((1024*1024*1024)) \ /mnt/f2fs/012345678901234567890123456789012345678901234567890123 - touch /mnt/f2fs/file - truncate -s $((1024*1024*1024)) /mnt/f2fs/file - mkfs.f2fs /mnt/f2fs/012345678901234567890123456789012345678901234567890123 \ -c /mnt/f2fs/file - mount /mnt/f2fs/012345678901234567890123456789012345678901234567890123 \ /mnt/f2fs/loop [16937.192225] F2FS-fs (loop0): Mount Dev...

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < dc0172c74bd9edaee7bea2ebb35f3dbd37a8ae80, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 1cf1ff15f262e8baf12201b270b6a79f9d119b2d, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 666b7cf6ac9aa074b8319a2b68cba7f2c30023f0, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 3466721f06edff834f99d9f49f23eabc6b2cb78e, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 345fc8d1838f3f8be7c8ed08d86a13dedef67136, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 70849d33130a2cf1d6010069ed200669c8651fbd, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 755427093e4294ac111c3f9e40d53f681a0fbdaa, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 1b1efa5f0e878745e94a98022e8edc675a87d78e, >= 3c62be17d4f562f43fe1d03b48194399caa35aa5 < 5661998536af52848cc4d52a377e90368196edea, >= 4.10, >= 4.10 < 5.4.297, >= 5.5 < 5.10.241, >= 5.11 < 5.15.190, >= 5.16 < 6.1.148, >= 6.2 < 6.6.102, >= 6.7 < 6.12.42, >= 6.13 < 6.15.10, >= 6.16 < 6.16.1, 11.0
Fixed versions
5.4.297, 5.10.241, 5.15.190, 6.1.148, 6.6.102, 6.12.42, 6.15.10, 6.16.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-125