CVE-2024-50268

usb: typec: fix potential out of bounds in ucsi_ccg_update_set_new_cam_cmd()

Description

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()

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/d76923164705821aa1b01b8d9d1741f20c654ab4 patch
https://git.kernel.org/stable/c/8f47984b35f3be0cfc652c2ca358d5768ea3456b patch
https://git.kernel.org/stable/c/604314ecd682913925980dc955caea2d036eab5f patch
https://git.kernel.org/stable/c/69e19774f15e12dda6c6c58001d059e30895009b patch
https://git.kernel.org/stable/c/3a2ba841659a0f15102585120dea75d8d5209616 patch
https://git.kernel.org/stable/c/7dd08a0b4193087976db6b3ee7807de7e8316f96 patch

Frequently Asked Questions

What is the severity of CVE-2024-50268?
CVE-2024-50268 has been scored as a high severity vulnerability.
How to fix CVE-2024-50268?
To fix CVE-2024-50268, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-50268 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-50268 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50268?
CVE-2024-50268 affects Linux Linux, Linux Linux.
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