Debian/linux: medium 5.5
In the Linux kernel, the following vulnerability has been resolved: net_sched: Prevent creation of classes with TC_H_ROOT The function qdisc_tree_reduce_backlog() uses TC_H_ROOT as a termination condi
Action: Upgrade linux to 6.12.20-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.12.20-1 | - |
Fixed versions
| 6.12.20-1 |
Sources
- osv: DEBIAN-CVE-2025-21971#Debian:13/linux
- https://security-tracker.debian.org/tracker/CVE-2025-21971
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