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Back to active CVEs
High · CVSS 7.8CVE-2024-53164

net: sched: fix ordering of qlen adjustmentCVE-2024-53164

Answer in brief

CVE-2024-53164 records a High severity (CVSS 7.8) vulnerability in net: sched: fix ordering of qlen adjustment. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Dec 27, 2024Updated Oct 15, 2026Source checked Nov 4, 2026First seen by HOL Aug 5, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.8
Exploitation
Not marked as known exploited
Affected software
7 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 7.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic), Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (generic), Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric4.14Not reported
Linux/Linuxgeneric>=959466588aa7f84ccf79ae36a1d89542eaf9aaec <44782565e1e6174c94bddfa72ac7267cd09c1648 || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <5e473f462a16f1a34e49ea4289a667d2e4f35b52 || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <33db36b3c53d0fda2699ea39ba72bee4de8336e8 || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <489422e2befff88a1de52b2acebe7b333bded025 || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <97e13434b5da8e91bdf965352fad2141d13d72d3 || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <e3e54ad9eff8bdaa70f897e5342e34b76109497f || >=959466588aa7f84ccf79ae36a1d89542eaf9aaec <5eb7de8cd58e73851cd37ff8d0666517d992694844782565e1e6174c94bddfa72ac7267cd09c1648, 5e473f462a16f1a34e49ea4289a667d2e4f35b52, 33db36b3c53d0fda2699ea39ba72bee4de8336e8, 489422e2befff88a1de52b2acebe7b333bded025, 97e13434b5da8e91bdf965352fad2141d13d72d3, e3e54ad9eff8bdaa70f897e5342e34b76109497f, 5eb7de8cd58e73851cd37ff8d0666517d9926948
Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5
Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFPgeneric>=V3.1.0 <V3.1.5V3.1.5

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux, Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP.
  2. 2Review the reported fix. Update Linux/Linux to 44782565e1e6174c94bddfa72ac7267cd09c1648; Siemens/SIMATIC S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5; Siemens/SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP to V3.1.5; Siemens/SIPLUS S7-1500 CPU 1518-4 PN/DP MFP to V3.1.5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Dec 27, 2024

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 5, 2026

Sources and claim methodology

  • Source referencecert-portal.siemens.com
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
NVD-CWE-noinfo
Source
CVE List V5
Source checked
Nov 4, 2026
References
10 linked sources
Open source record