CVE-2025-37798
Linux Kernel Sch FQ Codel Queue Overflow Vulnerability
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().
INFO
Published Date :
May 2, 2025, 3:15 p.m.
Last Modified :
May 2, 2025, 3:15 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2025-37798.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2025-37798 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-37798 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 02, 2025
Action Type Old Value New Value Added 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(). Added Reference https://git.kernel.org/stable/c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1 Added Reference https://git.kernel.org/stable/c/342debc12183b51773b3345ba267e9263bdfaaef Added Reference https://git.kernel.org/stable/c/4d55144b12e742404bb3f8fee6038bafbf45619d Added Reference https://git.kernel.org/stable/c/829c49b6b2ff45b043739168fd1245e4e1a91a30 Added Reference https://git.kernel.org/stable/c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31 Added Reference https://git.kernel.org/stable/c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-37798 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-37798
weaknesses.