CVE-2024-50268

Summary

In the Linux kernel, the following vulnerability has been resolved: usb: typec: fix potential out of bounds in ucsi_ccg_update_set_new_cam_cmd() The "*cmd" variable can be controlled by the user via debugfs. That means "new_cam" can be as high as 255 while the size of the uc->updated[] array is UCSI_MAX_ALTMODES (30). The call tree is: ucsi_cmd() // val comes from simple_attr_write_xsigned() -> ucsi_send_command() -> ucsi_send_command_common() -> ucsi_run_command() // calls ucsi->ops->sync_control() -> ucsi_ccg_sync_control()

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://git.kernel.org/stable/c/3a2ba841659a0f15102585120dea75d8d5209616 ↗

Additional information

• NVD record
• https://git.kernel.org/stable/c/3a2ba841659a0f15102585120dea75d8d5209616Patch
• https://git.kernel.org/stable/c/604314ecd682913925980dc955caea2d036eab5fPatch
• https://git.kernel.org/stable/c/69e19774f15e12dda6c6c58001d059e30895009bPatch
• https://git.kernel.org/stable/c/7dd08a0b4193087976db6b3ee7807de7e8316f96Patch
• https://git.kernel.org/stable/c/8f47984b35f3be0cfc652c2ca358d5768ea3456bPatch
• https://git.kernel.org/stable/c/d76923164705821aa1b01b8d9d1741f20c654ab4Patch
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html