CVE-2025-37798

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().

Reserved 2025-04-16 | Published 2025-05-02 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before 829c49b6b2ff45b043739168fd1245e4e1a91a30
affected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before 2f9761a94bae33d26e6a81b31b36e7d776d93dc1
affected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before 4d55144b12e742404bb3f8fee6038bafbf45619d
affected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before e73c838c80dccb9e4f19becc11d9f3cb4a27d483
affected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31
affected

76e3cc126bb223013a6b9a0e2a51238d1ef2e409 before 342debc12183b51773b3345ba267e9263bdfaaef
affected

Default status
affected

3.5
affected

Any version before 3.5
unaffected

6.1.135
unaffected

6.6.88
unaffected

6.12.24
unaffected

6.13.12
unaffected

6.14.3
unaffected

6.15
unaffected

References

git.kernel.org/...c/829c49b6b2ff45b043739168fd1245e4e1a91a30

git.kernel.org/...c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1

git.kernel.org/...c/4d55144b12e742404bb3f8fee6038bafbf45619d

git.kernel.org/...c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483

git.kernel.org/...c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31

git.kernel.org/...c/342debc12183b51773b3345ba267e9263bdfaaef

cve.org (CVE-2025-37798)

nvd.nist.gov (CVE-2025-37798)

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