PT-2026-94563 · Linux · Linux Kernel
CVE-2026-90215
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Published
2026-09-17
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Updated
2026-09-24
None
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Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An issue exists in the
ubi detach mtd dev() function where a device reference is obtained via ubi get device() before verifying if the UBI device is busy. When the device is busy, the return path decrements ubi->ref count but fails to release the device reference, preventing the device object from being released during subsequent detach operations.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Related Identifiers
Affected Products
Linux Kernel