VYPR
Unrated severityNVD Advisory· Published Dec 4, 2025· Updated Apr 15, 2026

CVE-2025-40242

CVE-2025-40242

Description

In the Linux kernel, the following vulnerability has been resolved:

gfs2: Fix unlikely race in gdlm_put_lock

In gdlm_put_lock(), there is a small window of time in which the DFL_UNMOUNT flag has been set but the lockspace hasn't been released, yet. In that window, dlm may still call gdlm_ast() and gdlm_bast(). To prevent it from dereferencing freed glock objects, only free the glock if the lockspace has actually been released.

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Affected products

186

Patches

Vulnerability mechanics

References

5

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