CVE-2025-21963

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21963
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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/0c26edf477e093cefc41637f5bccc102e1a77399 Patch
https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c Patch
https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1 Patch
https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b Patch
https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd Patch
https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64 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:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:*
History

14 Apr 2025, 12:41

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399 - () https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399 - Patch
References () https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c - () https://git.kernel.org/stable/c/2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c - Patch
References () https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1 - () https://git.kernel.org/stable/c/39d086bb3558da9640ef335f97453e01d32578a1 - Patch
References () https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b - () https://git.kernel.org/stable/c/5b29891f91dfb8758baf1e2217bef4b16b2b165b - Patch
References () https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd - () https://git.kernel.org/stable/c/6124cbf73e3dea7591857dd63b8ccece28952afd - Patch
References () https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64 - () https://git.kernel.org/stable/c/9e438d0410a4002d24f420f2c28897ba2dc0af64 - Patch
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-190
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:*
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:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*

10 Apr 2025, 13:15

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cifs: Se corrige el desbordamiento de enteros al procesar la opción de montaje acdirmax. El parámetro de montaje acdirmax, proporcionado por el usuario y de tipo u32, está diseñado para tener un límite superior, pero antes de su validación, el valor se convierte de segundos a jiffies, lo que puede provocar un desbordamiento de enteros. Encontrado por el Centro de Verificación de Linux (linuxtesting.org) con SVACE.
References
  • () https://git.kernel.org/stable/c/0c26edf477e093cefc41637f5bccc102e1a77399 -

01 Apr 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 16:15

Updated : 2025-04-14 12:41

NVD link : CVE-2025-21963

Mitre link : CVE-2025-21963

CVE.ORG link : CVE-2025-21963

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-190

Integer Overflow or Wraparound