Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-38206

Severity CVSS v4.0:
Pending analysis
Type:
CWE-415 Double Free
Publication date:
04/07/2025
Last modified:
18/12/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> exfat: fix double free in delayed_free<br /> <br /> The double free could happen in the following path.<br /> <br /> exfat_create_upcase_table()<br /> exfat_create_upcase_table() : return error<br /> exfat_free_upcase_table() : free -&gt;vol_utbl<br /> exfat_load_default_upcase_table : return error<br /> exfat_kill_sb()<br /> delayed_free()<br /> exfat_free_upcase_table() vol_util as NULL after freeing it.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.7 (including) 5.10.239 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.186 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.15.4 (excluding)
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools