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Review reviewHigh

CVE-2024-54458

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: scsi: ufs: bsg: Set bsg_queue to NULL after removal Currently, this does not cause any issues, but I believe it is necessary to set bsg_queue to NULL after removing it to prevent potential use-after-free (UAF) access.

CVSS
7.8
EPSS
0.23%
13.9% 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 probability0.23%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: bsg: Set bsg_queue to NULL after removal Currently, this does not cause any issues, but I believe it is necessary to set bsg_queue to NULL after removing it to prevent potential use-after-free (UAF) access.

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
>= df032bf27a414acf61c957ec2fad22a57d903b39 < bb4783c670180b922267222408e1c48d22dfbb46, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 22018622e1e9e371198dbd983af946a844d5924c, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 5e7b6e44468c3242c21c2a8656d009fb3eb50a73, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 5f782d4741bf558def60df192b858b0efc6a5f0a, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 88a01e9c9ad40c075756ba93b47984461d4ff15d, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 9193bdc170cc23fe98aca71d1a63c0bf6e1e853b, >= df032bf27a414acf61c957ec2fad22a57d903b39 < 1e95c798d8a7f70965f0f88d4657b682ff0ec75f, >= 4.20, >= V3.1.6, < 6.1.129, >= 6.2 < 6.6.79, >= 6.7 < 6.12.16, >= 6.13 < 6.13.4
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-416