Review reviewHigh

CVE-2025-38082

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix potential out-of-bound write If the caller wrote more characters, count is truncated to the max available space in "simple_write_to_buffer". Check that the input size does not exceed the buffer size. Write a zero termination afterwards.

CVSS
7.8
EPSS
0.16%
5.26% percentile
CISA KEV
Not listed
Published
2025.06.18
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.16%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix potential out-of-bound write If the caller wrote more characters, count is truncated to the max available space in "simple_write_to_buffer". Check that the input size does not exceed the buffer size. Write a zero termination afterwards.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 91581c4b3f29e2e22aeb1a62e842d529ca638b2d < afe090366f470f77e140ff3407db813f57852c04, >= 91581c4b3f29e2e22aeb1a62e842d529ca638b2d < b96feaaa0fda1e3871b438143c3446954b32d3a7, >= 91581c4b3f29e2e22aeb1a62e842d529ca638b2d < 7118be7c6072f40391923543fdd1563b8d56377c, >= 6.11, >= 6.11 < 6.12.32, >= 6.13 < 6.14.10, 6.15
Fixed versions
6.12.32, 6.14.10

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-2025-38082 — Linux Linux, linux kernel | SECUFOCUS NOW