Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: schhtb: Make htbqlennotify idempotent. htbqlennotify always disactivates the HTB class, and actually might trigger a warning if it is already disactivated. Therefore, it is not idempotent and is not friendly to its callers, like...

CVE-2025-37932

The CVE-2025-37932 issue affects the Linux kernel’s HTB qdisc: htb_qlen_notify() was not idempotent and could deactivate an HTB class or trigger a warning if called when already deactivated. The fix ports the function to be idempotent, easing callers such as fq_codel_dequeue() and qdisc_tree_redu...

CVE-2025-37932 sch_htb: make htb_qlen_notify() idempotent

In the Linux kernel, the following vulnerability has been resolved: schhtb: make htbqlennotify idempotent htbqlennotify 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...