CVE-2025-38206

exfat: fix double free in delayed_free

HIGH

7.8

CVSS Score

Published: July 4, 2025 at 01:37 PM UTC

Updated: September 2, 2026 at 01:16 PM UTC

2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

11.0

Linux Kernel · Linux

95%

5.11 ≤ v < 5.15.1865.16 ≤ v < 6.15.45.7 ≤ v < 5.10.2395.7 ≤ v < 5.15.1865.7 ≤ v < 6.1.1875.7 ≤ v < 6.12.1085.7 ≤ v < 6.15.45.7 ≤ v < 6.165.7 ≤ v < 6.6.1561acf1a564b6034b5af1e7fb23cb98cb3bb4f60035.7

Vendor states this is fixed in 13d8de1b6568dcc31a95534ced16bc0c9a67bc15 (fixed)

Vendor states this is fixed in 1f3d9724e16d62c7d42c67d6613b8512f2887c22 (fixed)

Vendor states this is fixed in 29abaf93357f4a7d083cf399d4306999e20db31d (fixed)

Vendor states this is fixed in 66e84439ec2af776ce749e8540f8fdd257774152 (fixed)

Vendor states this is fixed in ac65f76db9b2ff3fbc9e198c0e9aaf81b111b7d0 (fixed)

Vendor states this is fixed in d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd (fixed)

Vendor states this is fixed in ea27703eb0efbadcd45b9949526160ed90536a72 (fixed)

Vendor states this is fixed in 5.10.239 (unaffected)

Vendor states this is fixed in 5.15.186 (unaffected)

Vendor states this is fixed in 5.7 (unaffected)

Vendor states this is fixed in 6.1.187 (unaffected)

Vendor states this is fixed in 6.12.108 (unaffected)