THREAT OPS › Threat News › [NVD] 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_exi
[NVD] 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_exi
CVE-2025-21745 CVSS: 5.5 MEDIUM Published: 2025-02-27T03:15:15.137
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 leakag
Indicators of compromise
- CVE-2025-21745cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-21745