CVE-2026-90180

CVE-2026-90180: vulnerability in Linux

block: mtip32xx: synchronize ioctls with device removal

Published

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/4609e0e0be709e974bec9b52c5022136d25e97d3https://git.kernel.org/stable/c/521afbd936ac256b7531470b0b9aa96abf9cd853https://git.kernel.org/stable/c/68940f841d013192086a0f6d7cfbac2cd079e228https://git.kernel.org/stable/c/8283049aa5fcb4e84b2b2928b2888903bb8ee12ehttps://git.kernel.org/stable/c/8a7799597bd683b6bc251fe2edfa9fd1db568a3ahttps://git.kernel.org/stable/c/b389dc35a55713ac24a145741e76196fea1663bc