High 7.8Published Dec 27, 2024

CVE-2024-53164net: sched: fix ordering of qlen adjustment

Updated under an hour ago (Oct 27, 2026, 7:23 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 44782565e1e6174c94bddfa72ac7267cd09c1648; 959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 5e473f462a16f1a34e49ea4289a667d2e4f35b52; 959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 33db36b3c53d0fda2699ea39ba72bee4de8336e8; 959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 489422e2befff88a1de52b2acebe7b333bded025; 959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 97e13434b5da8e91bdf965352fad2141d13d72d3; from 959466588aa7f84ccf79ae36a1d89542eaf9aaec before e3e54ad9eff8bdaa70f897e5342e34b76109497f; 959466588aa7f84ccf79ae36a1d89542eaf9aaec builds before 5eb7de8cd58e73851cd37ff8d0666517d9926948	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
linux linux_kernel linux:linux_kernel	before 5.4.289; from 5.5 before 5.10.233; from 5.11 before 5.15.176; from 5.16 before 6.1.122; from 6.2 before 6.6.68; from 6.7 before 6.12.7; 6.13	NVD

References

References

https://git.kernel.org/stable/c/44782565e1e6174c94bddfa72ac7267cd09c1648	patch
https://git.kernel.org/stable/c/5e473f462a16f1a34e49ea4289a667d2e4f35b52	patch
https://git.kernel.org/stable/c/33db36b3c53d0fda2699ea39ba72bee4de8336e8	patch
https://git.kernel.org/stable/c/489422e2befff88a1de52b2acebe7b333bded025	patch
https://git.kernel.org/stable/c/97e13434b5da8e91bdf965352fad2141d13d72d3	patch
https://git.kernel.org/stable/c/e3e54ad9eff8bdaa70f897e5342e34b76109497f	patch
https://git.kernel.org/stable/c/5eb7de8cd58e73851cd37ff8d0666517d9926948	patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.