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.
Affected products
linux: linux kernel
References10
- git.kernel.org/stable/c/33db36b3c53d0fda2699ea39ba72bee4de8336e8 Patch
- git.kernel.org/stable/c/44782565e1e6174c94bddfa72ac7267cd09c1648 Patch
- git.kernel.org/stable/c/489422e2befff88a1de52b2acebe7b333bded025 Patch
- git.kernel.org/stable/c/5e473f462a16f1a34e49ea4289a667d2e4f35b52 Patch
- git.kernel.org/stable/c/5eb7de8cd58e73851cd37ff8d0666517d9926948 Patch
- git.kernel.org/stable/c/97e13434b5da8e91bdf965352fad2141d13d72d3 Patch
- git.kernel.org/stable/c/e3e54ad9eff8bdaa70f897e5342e34b76109497f Patch
- lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- cert-portal.siemens.com/productcert/html/ssa-398330.html
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 19 · as of 6 November 2026
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