CVE-2025-38206
HIGH severity · CVSS 7.8 · Double free
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: exfat: fix double free in delayed_free 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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15Patch
- https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22Patch
- https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152Patch
- https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fdPatch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlAdvisory