CVE-2025-37798
codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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().
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 2, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < 7a742a9506849d1c1aa71e36c89855ceddc7d58e 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < cc71a757da78dd4aa1b4a9b19cb011833730ccf2 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < 829c49b6b2ff45b043739168fd1245e4e1a91a30 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < 2f9761a94bae33d26e6a81b31b36e7d776d93dc1 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < 4d55144b12e742404bb3f8fee6038bafbf45619d 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < e73c838c80dccb9e4f19becc11d9f3cb4a27d483 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31 76e3cc126bb223013a6b9a0e2a51238d1ef2e409 < 342debc12183b51773b3345ba267e9263bdfaaef
Linux / Linux
3.5
References
git.kernel.org: https://git.kernel.org/stable/c/7a742a9506849d1c1aa71e36c89855ceddc7d58e git.kernel.org: https://git.kernel.org/stable/c/cc71a757da78dd4aa1b4a9b19cb011833730ccf2 git.kernel.org: https://git.kernel.org/stable/c/eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450 git.kernel.org: https://git.kernel.org/stable/c/829c49b6b2ff45b043739168fd1245e4e1a91a30 git.kernel.org: https://git.kernel.org/stable/c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1 git.kernel.org: https://git.kernel.org/stable/c/4d55144b12e742404bb3f8fee6038bafbf45619d git.kernel.org: https://git.kernel.org/stable/c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483 git.kernel.org: https://git.kernel.org/stable/c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31 git.kernel.org: https://git.kernel.org/stable/c/342debc12183b51773b3345ba267e9263bdfaaef lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html