Review reviewHigh

CVE-2025-38667

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: iio: fix potential out-of-bound write The buffer is set to 20 characters. If a caller write more characters, count is truncated to the max available space in "simple_write_to_buffer". To protect from OoB access, check that the input size fit into buffer and add a zero terminator after copy to the end of the copied data.

CVSS
7.8
EPSS
0.14%
4.04% 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 probability0.14%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: iio: fix potential out-of-bound write The buffer is set to 20 characters. If a caller write more characters, count is truncated to the max available space in "simple_write_to_buffer". To protect from OoB access, check that the input size fit into buffer and add a zero terminator after copy to the end of the copied data.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 6d5dd486c715908b5a6ed02315a15ff044a91025 < 81a635b6eccd6fc889f6d07ab9583b705f739ce1, >= 6d5dd486c715908b5a6ed02315a15ff044a91025 < 16285a0931869baa618b1f5d304e1e9d090470a8, >= 6.15, >= 6.15 < 6.15.9, 6.16
Fixed versions
6.15.9

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel 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:H/A:H
CWE
CWE-787
CVE-2025-38667 — Linux Linux, linux kernel | SECUFOCUS NOW