Tracker / CVE-2025-21745
CVE-2025-21745
Medium 5.5
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @block_class's subsystem refcount leakage blkcg_fill_root_iostats() iterates over @block_class's devices by class_dev_iter_(init|next)(), but does not end iterating with class_dev_iter_exit(), so causes the class's subsystem refcount leakage. Fix by ending the iterating with class_dev_iter_exit().
Affected products and versions
| linux | linux_kernel · 5.9 → 6.1.129 |
|---|---|
| linux | linux_kernel · 6.13 → 6.13.3 |
| linux | linux_kernel · 6.2 → 6.6.78 |
| linux | linux_kernel · 6.7 → 6.12.14 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.