CVE-2025-38206

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-38206
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15 Patch
https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22 Patch
https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152 Patch
https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory Mailing List
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

18 Dec 2025, 21:17

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
CWE CWE-415
References () https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15 - () https://git.kernel.org/stable/c/13d8de1b6568dcc31a95534ced16bc0c9a67bc15 - Patch
References () https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22 - () https://git.kernel.org/stable/c/1f3d9724e16d62c7d42c67d6613b8512f2887c22 - Patch
References () https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152 - () https://git.kernel.org/stable/c/66e84439ec2af776ce749e8540f8fdd257774152 - Patch
References () https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd - () https://git.kernel.org/stable/c/d3cef0e7a5c1aa6217c51faa9ce8ecac35d6e1fd - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - Third Party Advisory, Mailing List

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html -

08 Jul 2025, 16:18

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: exfat: corrige la doble liberación en delayed_free La doble liberación podría ocurrir en la siguiente ruta. exfat_create_upcase_table() exfat_create_upcase_table() : devolver error exfat_free_upcase_table() : liberar -&gt;vol_utbl exfat_load_default_upcase_table : devolver error exfat_kill_sb() delayed_free() exfat_free_upcase_table() &lt;--------- doble liberación Este parche establece -&gt;vol_util como NULL después de liberarlo.

04 Jul 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-04 14:15

Updated : 2025-12-18 21:17

NVD link : CVE-2025-38206

Mitre link : CVE-2025-38206

CVE.ORG link : CVE-2025-38206

JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-415

Double Free