CVE-2025-40242

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix unlikely race in gdlmputlock In gdlmputlock, there is a small window of time in which the DFLUNMOUNT flag has been set but the lockspace hasn't been released, yet. In that window, dlm may still call gdlmast and gdlmbast...

CVE-2025-40242

The CVE-2025-40242 entry concerns the Linux kernel GFS2 path: gdlm_put_lock() has a small window after DFL_UNMOUNT is set but before the lockspace is released, during which the distributed lock manager (dlm) may still call gdlm_ast()/gdlm_bast(). The consequence could be dereferencing freed glock...