CVE-2025-37932

Summary

In the Linux kernel, the following vulnerability has been resolved:

sch_htb: make htb_qlen_notify() idempotent

htb_qlen_notify() always deactivates the HTB class and in fact could trigger a warning if it is already deactivated. Therefore, it is not idempotent and not friendly to its callers, like fq_codel_dequeue().

Let's make it idempotent to ease qdisc_tree_reduce_backlog() callers' life.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < e6b45f4de763b00dc1c55e685e2dd1aaf525d3c1affected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < 32ae12ce6a9f6bace186ca7335220ff59b6cc3cdaffected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < 967955c9e57f8eebfccc298037d4aaf3d42bc1c9affected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < 73cf6af13153d62f9b76eff422eea79dbc70f15eaffected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < bbbf5e0f87078b715e7a665d662a2c0e77f044aeaffected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < 0a188c0e197383683fd093ab1ea6ce9a5869a6eaaffected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < a61f1b5921761fbaf166231418bc1db301e5bf59affected
LinuxLinux959466588aa7f84ccf79ae36a1d89542eaf9aaec < 5ba8b837b522d7051ef81bacf3d95383ff8edce5affected
LinuxLinux4.14affected
LinuxLinux0 < 4.14unaffected
LinuxLinux5.4.294 <= 5.4.*unaffected
LinuxLinux5.10.241 <= 5.10.*unaffected
LinuxLinux5.15.190 <= 5.15.*unaffected
LinuxLinux6.1.138 <= 6.1.*unaffected
LinuxLinux6.6.90 <= 6.6.*unaffected
LinuxLinux6.12.28 <= 6.12.*unaffected
LinuxLinux6.14.6 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References