CVE-2025-37798

Published: May 6, 2025Last modified: May 6, 2025

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().

Status

References

• https://git.kernel.org/stable/c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1
• https://git.kernel.org/stable/c/342debc12183b51773b3345ba267e9263bdfaaef
• https://git.kernel.org/stable/c/4d55144b12e742404bb3f8fee6038bafbf45619d
• https://git.kernel.org/stable/c/829c49b6b2ff45b043739168fd1245e4e1a91a30
• https://git.kernel.org/stable/c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31
• https://git.kernel.org/stable/c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483