vulnerability
Red Hat: CVE-2025-38391: kernel: usb: typec: altmodes/displayport: do not index invalid pin_assignments
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:L/AC:L/Au:N/C:P/I:N/A:C) | Jul 25, 2025 | Jul 31, 2025 | Jul 31, 2025 |
Severity
6
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:C)
Published
Jul 25, 2025
Added
Jul 31, 2025
Modified
Jul 31, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
usb: typec: altmodes/displayport: do not index invalid pin_assignments
A poorly implemented DisplayPort Alt Mode port partner can indicate
that its pin assignment capabilities are greater than the maximum
value, DP_PIN_ASSIGN_F. In this case, calls to pin_assignment_show
will cause a BRK exception due to an out of bounds array access.
Prevent for loop in pin_assignment_show from accessing
invalid values in pin_assignments by adding DP_PIN_ASSIGN_MAX
value in typec_dp.h and using i < DP_PIN_ASSIGN_MAX as a loop
condition.
Solution
no-fix-redhat-rpm-package
References
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