CVE-2026-23068

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-23068
In the Linux kernel, the following vulnerability has been resolved: spi: spi-sprd-adi: Fix double free in probe error path The driver currently uses spi_alloc_host() to allocate the controller but registers it using devm_spi_register_controller(). If devm_register_restart_handler() fails, the code jumps to the put_ctlr label and calls spi_controller_put(). However, since the controller was registered via a devm function, the device core will automatically call spi_controller_put() again when the probe fails. This results in a double-free of the spi_controller structure. Fix this by switching to devm_spi_alloc_host() and removing the manual spi_controller_put() call.

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/346775f2b4cf839177e8e86b94aa180a06dc15b0 Patch
https://git.kernel.org/stable/c/383d4f5cffcc8df930d95b06518a9d25a6d74aac Patch
https://git.kernel.org/stable/c/417cdfd9b9f986e95bfcb1d68eb443e6e0a15f8c Patch
https://git.kernel.org/stable/c/bddd3d10d039729b81cfb0804520c8832a701a0e Patch
https://git.kernel.org/stable/c/f6d6b3f172df118db582fe5ec43ae223a55d99cf 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:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
History

13 Mar 2026, 21:27

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
Summary
  • (es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: spi: spi-sprd-adi: Corregir doble liberación en la ruta de error de sondeo El controlador actualmente usa spi_alloc_host() para asignar el controlador pero lo registra usando devm_spi_register_controller(). Si devm_register_restart_handler() falla, el código salta a la etiqueta put_ctlr y llama a spi_controller_put(). Sin embargo, dado que el controlador fue registrado a través de una función devm, el núcleo del dispositivo llamará automáticamente a spi_controller_put() de nuevo cuando el sondeo falle. Esto resulta en una doble liberación de la estructura spi_controller. Corregir esto cambiando a devm_spi_alloc_host() y eliminando la llamada manual a spi_controller_put().
CWE CWE-415
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/346775f2b4cf839177e8e86b94aa180a06dc15b0 - () https://git.kernel.org/stable/c/346775f2b4cf839177e8e86b94aa180a06dc15b0 - Patch
References () https://git.kernel.org/stable/c/383d4f5cffcc8df930d95b06518a9d25a6d74aac - () https://git.kernel.org/stable/c/383d4f5cffcc8df930d95b06518a9d25a6d74aac - Patch
References () https://git.kernel.org/stable/c/417cdfd9b9f986e95bfcb1d68eb443e6e0a15f8c - () https://git.kernel.org/stable/c/417cdfd9b9f986e95bfcb1d68eb443e6e0a15f8c - Patch
References () https://git.kernel.org/stable/c/bddd3d10d039729b81cfb0804520c8832a701a0e - () https://git.kernel.org/stable/c/bddd3d10d039729b81cfb0804520c8832a701a0e - Patch
References () https://git.kernel.org/stable/c/f6d6b3f172df118db582fe5ec43ae223a55d99cf - () https://git.kernel.org/stable/c/f6d6b3f172df118db582fe5ec43ae223a55d99cf - Patch

06 Feb 2026, 17:16

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/bddd3d10d039729b81cfb0804520c8832a701a0e -

04 Feb 2026, 17:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-04 17:16

Updated : 2026-03-13 21:27

NVD link : CVE-2026-23068

Mitre link : CVE-2026-23068

CVE.ORG link : CVE-2026-23068

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-415

Double Free