CVE-2025-21918

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  2. Vulnerabilities (CVE)
  3. CVE-2025-21918

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

I

n the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.

References
Link Resource
https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 Patch
https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 Patch
https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 Patch
https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 Patch
https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1 Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
History

03 Nov 2025, 20:17

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html -

11 Apr 2025, 13:16

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 - () https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 - Patch
References () https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 - () https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 - Patch
References () https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 - () https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 - Patch
References () https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 - () https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 - Patch
References () https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1 - () https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1 - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-476
First Time Linux linux Kernel
Linux

07 Apr 2025, 09:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usb: typec: ucsi: Se corrige el acceso a punteros nulos. Los recursos solo deben liberarse después de que se hayan destruido todos los subprocesos que los utilizan. Esta confirmación garantiza que los recursos no se liberen prematuramente esperando a que se complete la cola de trabajo asociada antes de desasignarlos.

01 Apr 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 16:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-21918

Mitre link : CVE-2025-21918

CVE.ORG link : CVE-2025-21918

JSON object : View

Products Affected

linux

CWE
CWE-476

NULL Pointer Dereference