memstick: ms_block: destroy io_queue workqueue on removal (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.17 % · percentile 7 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
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.
References
- https://git.kernel.org/stable/c/0ff795163f37109a134b5a421558530f8d091544
- https://git.kernel.org/stable/c/19c3da6621a253f1f8b937ed91bc22330a930d9c
- https://git.kernel.org/stable/c/9a2e7cdc0880e735aff0968ee402f2c92a992b9b
- https://git.kernel.org/stable/c/6611f78ec3fd4b33a00bfda20725b254a22979f6
- https://git.kernel.org/stable/c/f222bb8c30cf5699c560b29179ff2bddcac1f950
- https://git.kernel.org/stable/c/90af7fde083e1b22c349c3a8b1626728e44e474c
European references
- ENISA EUVD · EUVD-2026-93155
- GCVE · GCVE-0-2026-98227
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1375 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1374 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < 0ff795163f37109a134b5a421558530f8d091544 ; affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < 19c3da6621a253f1f8b937ed91bc22330a930d9c ; affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < 9a2e7cdc0880e735aff0968ee402f2c92a992b9b ; affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < 6611f78ec3fd4b33a00bfda20725b254a22979f6 ; affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < f222bb8c30cf5699c560b29179ff2bddcac1f950 ; affected 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63 < 90af7fde083e1b22c349c3a8b1626728e44e474c |
| Linux · Linux | affected 3.12 ; unaffected 0 < 3.12 ; unaffected 6.1.189 ≤ 6.1.* ; unaffected 6.6.158 ≤ 6.6.* ; unaffected 6.12.112 ≤ 6.12.* ; unaffected 6.18.54 ≤ 6.18.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |