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CVE-2026-98227 Details

Description

In the Linux kernel, the following vulnerability has been resolved: memstick: ms_block: destroy io_queue workqueue on removal msb_init_disk() creates the per-card ordered workqueue msb->io_queue with alloc_ordered_workqueue(). It is torn down with destroy_workqueue() only on the init error path; msb_remove() never destroys it. msb_stop() merely flushes the queue, and neither msb_data_clear() nor put_disk() free it. As a result every card insert/remove cycle leaks the workqueue and its kworker, exhausting kernel memory over repeated cycles. Destroy the workqueue in msb_remove() after the disk has been removed and the queue drained.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/0ff795163f37109a134b5a421558530f8d091544	kernel.org
https://git.kernel.org/stable/c/19c3da6621a253f1f8b937ed91bc22330a930d9c	kernel.org
https://git.kernel.org/stable/c/6611f78ec3fd4b33a00bfda20725b254a22979f6	kernel.org
https://git.kernel.org/stable/c/90af7fde083e1b22c349c3a8b1626728e44e474c	kernel.org
https://git.kernel.org/stable/c/9a2e7cdc0880e735aff0968ee402f2c92a992b9b	kernel.org
https://git.kernel.org/stable/c/f222bb8c30cf5699c560b29179ff2bddcac1f950	kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes