Review reviewHigh

CVE-2024-43858

Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix array-index-out-of-bounds in diFree

CVSS
7.8
EPSS
0.23%
14.4% percentile
CISA KEV
Not listed
Published
2024.08.17
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: jfs: Fix array-index-out-of-bounds in diFree

Affected product and versions

Product
Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel
Affected versions
>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 55b732c8b09b41148eaab2fa8e31b0af47671e00, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9b3a4345957f5372041bc4f59de322f62653e862, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 538a27c8048f081a5ddd286f886eb986fbbc7f80, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 63f7fdf733add82f126ea00e2e48f6eba15ac4b9, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8d8f9a477de0d7962342eedf2a599215b7c63d28, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ff14eadc278663cac69d57d3ca7fb2f394e1f8a7, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6aa6892a90a5a7fabffe5692ab9f06a7a46c6e42, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f73f969b2eb39ad8056f6c7f3a295fa2f85e313a, >= 2.6.12, >= 2.6.12 < 4.19.320, >= 4.20 < 5.4.282, >= 5.5 < 5.10.224, >= 5.11 < 5.15.165, >= 5.16 < 6.1.103, >= 6.2 < 6.6.44, >= 6.7 < 6.10.3
Fixed versions
4.19.320, 5.4.282, 5.10.224, 5.15.165, 6.1.103, 6.6.44, 6.10.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, 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-129