High · published May 2, 2025
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 | Versions | Fixed in |
|---|---|---|
| linux/linux_kernel | ≥ 3.5, < 5.4.297 | 5.4.297 |
| linux/linux_kernel | ≥ 5.5, < 5.10.241 | 5.10.241 |
| linux/linux_kernel | ≥ 5.11, < 5.15.190 | 5.15.190 |
| linux/linux_kernel | ≥ 5.16, < 6.1.135 | 6.1.135 |
| linux/linux_kernel | ≥ 6.2, < 6.6.88 | 6.6.88 |
| linux/linux_kernel | ≥ 6.7, < 6.12.24 | 6.12.24 |
| linux/linux_kernel | ≥ 6.13, < 6.13.12 | 6.13.12 |
| linux/linux_kernel | ≥ 6.14, < 6.14.3 | 6.14.3 |
| linux/linux_kernel | all versions | — |
| debian/debian_linux | all versions | — |