CVE - CVE-2025-21745

CVE-ID
CVE-2025-21745	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/2ce09aabe009453d641a2ceb79e6461a2d4f3876 URL:https://git.kernel.org/stable/c/2ce09aabe009453d641a2ceb79e6461a2d4f3876 MISC:https://git.kernel.org/stable/c/431b6ef2714be4d5babb802114987541a88b43b0 URL:https://git.kernel.org/stable/c/431b6ef2714be4d5babb802114987541a88b43b0 MISC:https://git.kernel.org/stable/c/67c7f213e052b1aa6caba4a7e25e303bc6997126 URL:https://git.kernel.org/stable/c/67c7f213e052b1aa6caba4a7e25e303bc6997126 MISC:https://git.kernel.org/stable/c/993121481b5a87829f1e8163f47158b72679f309 URL:https://git.kernel.org/stable/c/993121481b5a87829f1e8163f47158b72679f309 MISC:https://git.kernel.org/stable/c/d1248436cbef1f924c04255367ff4845ccd9025e URL:https://git.kernel.org/stable/c/d1248436cbef1f924c04255367ff4845ccd9025e
Assigning CNA
kernel.org
Date Record Created
20241229	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20241229)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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