CVE-2025-21775

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21775
In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the only place. Add the missed NULL check. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.

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

References
Link Resource
https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef Patch
https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 Patch
https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 Patch
https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb Patch
https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d Patch
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:*:*:*:*:*:*
History

05 Mar 2025, 18:47

Type Values Removed Values Added
CWE CWE-476
First Time Linux linux Kernel
Linux
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: can: ctucanfd: manejar la falla de asignación de skb Si la asignación de skb falla, el puntero a struct can_frame es NULL. Esto se maneja en realidad en todas partes dentro de ctucan_err_interrupt() excepto en el único lugar. Agregue la verificación NULL omitida. Encontrado por Linux Verification Center (linuxtesting.org) con la herramienta de análisis estático SVACE.
CPE 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:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef - () https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef - Patch
References () https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 - () https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078 - Patch
References () https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 - () https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526 - Patch
References () https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb - () https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb - Patch
References () https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d - () https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d - Patch

27 Feb 2025, 03:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-27 03:15

Updated : 2025-03-05 18:47

NVD link : CVE-2025-21775

Mitre link : CVE-2025-21775

CVE.ORG link : CVE-2025-21775

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference