CVE-2025-37798

HIGH

Linux Kernel 3.5-6.14.3 - DoS via codel_qdisc_dequeue

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() After making all ->qlen_notify() callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fq_codel_dequeue() and codel_qdisc_dequeue().

References (11)

Core 11
Core References

Scores

CVSS v3 7.8
EPSS 0.0008
EPSS Percentile 23.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (31)
debian/debian_linux 11.0
linux/Kernel 3.5.0 - 5.4.297linux
linux/Kernel 5.11.0 - 5.15.190linux
linux/Kernel 5.16.0 - 6.1.135linux
linux/Kernel 5.5.0 - 5.10.241linux
linux/Kernel 6.13.0 - 6.13.12linux
linux/Kernel 6.14.0 - 6.14.3linux
linux/Kernel 6.2.0 - 6.6.88linux
linux/Kernel 6.7.0 - 6.12.24linux
Linux/Linux < 3.5
... and 21 more
Published May 02, 2025
Tracked Since Feb 18, 2026