Review reviewHigh

CVE-2024-46865

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

In the Linux kernel, the following vulnerability has been resolved: fou: fix initialization of grc The grc must be initialize first. There can be a condition where if fou is NULL, goto out will be executed and grc would be used uninitialized.

CVSS
7.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.09.27
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: fou: fix initialization of grc The grc must be initialize first. There can be a condition where if fou is NULL, goto out will be executed and grc would be used uninitialized.

Affected product and versions

Product
Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel
Affected versions
>= 231c235d2f7a66f018f172e26ffd47c363f244ef < 392f6a97fcbecc64f0c00058b2db5bb0e4b8cc3e, >= 4494bccb52ffda22ce5a1163a776d970e6229e08 < 16ff0895283058b0f96d4fe277aa25ee096f0ea8, >= d7567f098f54cb53ee3cee1c82e3d0ed9698b6b3 < 5d537b8d900514509622ce92330b70d2e581d409, >= 1df42be305fe478ded1ee0c1d775f4ece713483b < 7ae890ee19479eeeb87724cca8430b5cb3660c74, >= c46cd6aaca81040deaea3500ba75126963294bd9 < aca06c617c83295f0caa486ad608fbef7bdc11e8, >= 7e4196935069947d8b70b09c1660b67b067e75cb < 4c8002277167125078e6b9b90137bdf443ebaa08, >= 5.10.226 < 5.10.227, >= 5.15.167 < 5.15.168, >= 6.1.110 < 6.1.111, >= 6.6.51 < 6.6.52, >= 6.10.10 < 6.10.11, 5.10.226, 5.15.167, 6.1.110, 6.6.51, 6.10.10
Fixed versions
No verified fixed-version field is available yet

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:N/A:H
CWE
CWE-908
CVE-2024-46865 — Linux Linux, SIMATIC S7-1500 TM MFP - GNU/Linux subsystem, linux kernel | SECUFOCUS NOW