media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads
In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads The pads missed checks for connected devices which may a null dereference when the stream is enabled. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 pc : rkcif_interface_enable_streams+0x48/0xf0 lr : rkcif_interface_enable_streams+0x44/0xf0 Call trace: rkcif_interface_enable_streams+0x48/0xf0 v4l2_subdev_enable_streams+0x26c/0x3f0 rkcif_stream_start_streaming+0x140/0x278 vb2_start_streaming+0x74/0x188 vb2_core_streamon+0xe0/0x1d8 vb2_ioctl_streamon+0x60/0xa8 v4l_streamon+0x2c/0x40 __video_do_ioctl+0x34c/0x400 video_usercopy+0x2d0/0x800 video_ioctl2+0x20/0x60 v4l2_ioctl+0x48/0x78
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads The pads missed checks for connected devices which may a null dereference when the stream is enabled. Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020 pc : rkcif_interface_enable_streams+0x48/0xf0 lr : rkcif_interface_enable_streams+0x44/0xf0 Call trace: rkcif_interface_enable_streams+0x48/0xf0 v4l2_subdev_enable_streams+0x26c/0x3f0 rkcif_stream_start_streaming+0x140/0x278 vb2_start_streaming+0x74/0x188 vb2_core_streamon+0xe0/0x1d8 vb2_ioctl_streamon+0x60/0xa8 v4l_streamon+0x2c/0x40 __video_do_ioctl+0x34c/0x400 video_usercopy+0x2d0/0x800 video_ioctl2+0x20/0x60 v4l2_ioctl+0x48/0x78
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/318142640590342bfec7aa06d0bdcd0ddbf953d0
- https://git.kernel.org/stable/c/8e3c751259dc2d1325838eff26f41032523c7b57
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46222.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-46222