CVE-2026-90215

In the Linux kernel, the following vulnerability has been resolved: mtd: ubi: Release device reference on busy detach ubi_detach_mtd_dev() obtains a device reference through ubi_get_device() before checking whether the UBI device is busy. The busy return path drops ubi->ref_count but leaves the device reference held, so the device object cannot be released after a later detach. Drop the device reference before returning -EBUSY.

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/31dd710cd84d5dd63c49f640d3a9f36c9699ca95
https://git.kernel.org/stable/c/851c5e9a829d56cb0982965f07ef8966a6722884
https://git.kernel.org/stable/c/87812858c4c8df979cb70bcd0040b925a543df6f
https://git.kernel.org/stable/c/e065960366b55ab21e6c643c30dec2a41451900b

Configurations

No configuration.

History

17 Sep 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 17:17

Updated : 2026-09-17 17:17

NVD link : CVE-2026-90215

Mitre link : CVE-2026-90215

CVE.ORG link : CVE-2026-90215

JSON object : View

Products Affected

No product.

CWE

No CWE.

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