CVE-2025-40207

medium

Description

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try() v4l2_subdev_call_state_try() macro allocates a subdev state with __v4l2_subdev_state_alloc(), but does not check the returned value. If __v4l2_subdev_state_alloc fails, it returns an ERR_PTR, and that would cause v4l2_subdev_call_state_try() to crash. Add proper error handling to v4l2_subdev_call_state_try().

References

https://git.kernel.org/stable/c/f37df9a0eb5e43fcfe02cbaef076123dc0d79c7e

https://git.kernel.org/stable/c/ed30811fbed40751deb952bde534aa2632dc0bf7

https://git.kernel.org/stable/c/a553530b3314a0bdc98cf114cdbe204551a70a00

https://git.kernel.org/stable/c/94e6336dc1f06a06f5b4cd04d4a012bba34f2857

https://git.kernel.org/stable/c/5b0057459cdc243ffb35617603142dcace09c711

Details

Source: Mitre, NVD

Published: 2025-11-12

Updated: 2025-11-14

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018