CVE-2026-90180
In the Linux kernel, the following vulnerability has been resolved: block: mtip32xx: synchronize ioctls with device removal The ioctl handlers only test REMOVE_PENDING before entering mtip_hw_ioctl(). Removal can set that bit immediately afterwards and free dd->port in mtip_hw_exit() while an ioctl still dereferences it. An already open block device can reach the handlers while del_gendisk() is in progress. Serialize both native and compat ioctls with removal. Set REMOVE_PENDING before taking the mutex so new callers fail after an in-flight ioctl has drained, and hold the mutex until the port has been torn down.
What this means for your business
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
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Scoring
- CVSS
- Not yet scored
- Assigned by
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dates
- Published
- 2026-09-17
- Last modified
- 2026-09-17
- Sources
- NVD
References
- https://git.kernel.org/stable/c/4609e0e0be709e974bec9b52c5022136d25e97d3
- https://git.kernel.org/stable/c/521afbd936ac256b7531470b0b9aa96abf9cd853
- https://git.kernel.org/stable/c/68940f841d013192086a0f6d7cfbac2cd079e228
- https://git.kernel.org/stable/c/8283049aa5fcb4e84b2b2928b2888903bb8ee12e
- https://git.kernel.org/stable/c/8a7799597bd683b6bc251fe2edfa9fd1db568a3a
- https://git.kernel.org/stable/c/b389dc35a55713ac24a145741e76196fea1663bc