CVE-2025-38177
published 2025-07-04CVE-2025-38177: In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: make hfsc_qlen_notify() idempotent hfsc_qlen_notify() is not idempotent either…
medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
In the Linux kernel, the following vulnerability has been resolved:
sch_hfsc: make hfsc_qlen_notify() idempotent
hfsc_qlen_notify() is not idempotent either and not friendly
to its callers, like fq_codel_dequeue(). Let's make it idempotent
to ease qdisc_tree_reduce_backlog() callers' life:
1. update_vf() decreases cl->cl_nactive, so we can check whether it is
non-zero before calling it.
2. eltree_remove() always removes RB node cl->el_node, but we can use
RB_EMPTY_NODE() + RB_CLEAR_NODE() to make it safe.
Affected
35 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | linux | < linux 6.1.139-1 (bookworm) | linux 6.1.139-1 (bookworm) |
| debian | linux-6.1 | < linux 6.1.139-1 (bookworm) | linux 6.1.139-1 (bookworm) |
| chrome_chrome | — | — | |
| linux | linux | — | — |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < 9a5fd5c2f4d4afdd5e405083ee53e0789ce76956 | 9a5fd5c2f4d4afdd5e405083ee53e0789ce76956 |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < 72c61ffbeeb8c50f6d4d70c65d3283aa1bac57a7 | 72c61ffbeeb8c50f6d4d70c65d3283aa1bac57a7 |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < a5efc95a33bd4fcb879250852828cc58c7862970 | a5efc95a33bd4fcb879250852828cc58c7862970 |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < 0475c85426b18eccdcb7f9fb58d8f8e9c6c58c87 | 0475c85426b18eccdcb7f9fb58d8f8e9c6c58c87 |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < 9030a91235ae4845ec71902c3e0cecfc9ed1f2df | 9030a91235ae4845ec71902c3e0cecfc9ed1f2df |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < d06476714d2819b550e0cc39222347e2c8941c9d | d06476714d2819b550e0cc39222347e2c8941c9d |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < c1175c4ad01dbc9c979d099861fa90a754f72059 | c1175c4ad01dbc9c979d099861fa90a754f72059 |
| linux | linux | >= 959466588aa7f84ccf79ae36a1d89542eaf9aaec < 51eb3b65544c9efd6a1026889ee5fb5aa62da3bb | 51eb3b65544c9efd6a1026889ee5fb5aa62da3bb |
| linux | linux_kernel | < 5.4.297 | 5.4.297 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.244-1 | 5.10.244-1 |
| linux | linux_kernel | >= 0 < 6.1.139-1 | 6.1.139-1 |
| linux | linux_kernel | >= 0 < 6.12.29-1 | 6.12.29-1 |
| linux | linux_kernel | >= 0 < 6.12.29-1 | 6.12.29-1 |
| linux | linux_kernel | >= 0 < 5.4.0-219.239 | 5.4.0-219.239 |
| linux | linux_kernel | >= 5.11 < 5.15.190 | 5.15.190 |
| linux | linux_kernel | >= 5.16 < 6.1.138 | 6.1.138 |
| linux | linux_kernel | >= 5.5 < 5.10.241 | 5.10.241 |
| linux | linux_kernel | >= 6.13 < 6.14.6 | 6.14.6 |
| linux | linux_kernel | >= 6.2 < 6.6.90 | 6.6.90 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH