Review reviewHigh

CVE-2025-21780

Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() It malicious user provides a small pptable through sysfs and then a bigger pptable, it may cause buffer overflow attack in function smu_sys_set_pp_table().

CVSS
7.8
EPSS
0.26%
17.3% percentile
CISA KEV
Not listed
Published
2025.02.27
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.26%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid buffer overflow attach in smu_sys_set_pp_table() It malicious user provides a small pptable through sysfs and then a bigger pptable, it may cause buffer overflow attack in function smu_sys_set_pp_table().

Affected product and versions

Product
Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP
Affected versions
>= 137d63abbf6a0859e79b662e81d21170ecb75e59 < 3484ea33157bc7334f57e64826ec5a4bf992151a, >= 137d63abbf6a0859e79b662e81d21170ecb75e59 < e43a8b9c4d700ffec819c5043a48769b3e7d9cab, >= 137d63abbf6a0859e79b662e81d21170ecb75e59 < 2498d2db1d35e88a2060ea191ae75dce853dd084, >= 137d63abbf6a0859e79b662e81d21170ecb75e59 < 231075c5a8ea54f34b7c4794687baa980814e6de, >= 137d63abbf6a0859e79b662e81d21170ecb75e59 < 1abb2648698bf10783d2236a6b4a7ca5e8021699, >= 5.2, >= V3.1.6, < 6.1.129, >= 6.2 < 6.6.79, >= 6.7 < 6.12.16, >= 6.13 < 6.13.4, 6.14
Fixed versions
6.1.129, 6.6.79, 6.12.16, 6.13.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, SIMATIC S7-1500 CPU 1518-4 PN/DP MFP, SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 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-120