CVE-2025-40207 - media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()

CVE-2025-40207 - media: v4l2-subdev: Fix alloc failure check in v4l2_subdev_call_state_try()

https://cvefeed.io/rssfeed/latest.atom / Thu, 11/13/2025 - 01:48
CVE ID : CVE-2025-40207
Published : Nov. 12, 2025, 10:15 p.m. | 2 hours, 32 minutes ago
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().
Severity: 0.0 | NA
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