Detections
Analytics
CVE-2025-21745
medium
Description
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().
References
https://git.kernel.org/stable/c/ffb494f1e7a047bd7a41b13796fcfb08fe5beafb
https://git.kernel.org/stable/c/d1248436cbef1f924c04255367ff4845ccd9025e
https://git.kernel.org/stable/c/993121481b5a87829f1e8163f47158b72679f309
https://git.kernel.org/stable/c/67c7f213e052b1aa6caba4a7e25e303bc6997126
https://git.kernel.org/stable/c/431b6ef2714be4d5babb802114987541a88b43b0
https://git.kernel.org/stable/c/38287f779b34dfe959b4b681e909f2d3d52b88be
https://git.kernel.org/stable/c/2ce09aabe009453d641a2ceb79e6461a2d4f3876