Unrated severityNVD Advisory· Published Jul 4, 2025· Updated Nov 3, 2025

exfat: fix double free in delayed_free

CVE-2025-38206

Description

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

The double free could happen in the following path.

exfat_create_upcase_table() exfat_create_upcase_table() : return error exfat_free_upcase_table() : free ->vol_utbl exfat_load_default_upcase_table : return error exfat_kill_sb() delayed_free() exfat_free_upcase_table() <--------- double free This patch set ->vol_util as NULL after freeing it.

Affected products

Linux/exfatllm-fuzzy
Linux/Linuxv5
Range: 5.7

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15mitre
git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22mitre
git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152mitre
git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fdmitre

News mentions

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