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().
Product status
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before 7a742a9506849d1c1aa71e36c89855ceddc7d58e
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before cc71a757da78dd4aa1b4a9b19cb011833730ccf2
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before 829c49b6b2ff45b043739168fd1245e4e1a91a30
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before 2f9761a94bae33d26e6a81b31b36e7d776d93dc1
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before 4d55144b12e742404bb3f8fee6038bafbf45619d
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before e73c838c80dccb9e4f19becc11d9f3cb4a27d483
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31
76e3cc126bb223013a6b9a0e2a51238d1ef2e409 (git) before 342debc12183b51773b3345ba267e9263bdfaaef
3.5
Any version before 3.5
5.4.297 (semver)
5.10.241 (semver)
5.15.190 (semver)
6.1.135 (semver)
6.6.88 (semver)
6.12.24 (semver)
6.13.12 (semver)
6.14.3 (semver)
6.15 (original_commit_for_fix)
References
lists.debian.org/debian-lts-announce/2025/10/msg00007.html
lists.debian.org/debian-lts-announce/2025/05/msg00045.html
git.kernel.org/...c/7a742a9506849d1c1aa71e36c89855ceddc7d58e
git.kernel.org/...c/cc71a757da78dd4aa1b4a9b19cb011833730ccf2
git.kernel.org/...c/eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450
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