CVE-2025-68777 Input: ti_am335x_tsc - fix off-by-one error in wire_order validation
An off-by-one error in the TI AM335x touchscreen driver allows out-of-bounds memory access, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-68777?
CVE-2025-68777 is a memory corruption vulnerability in Linux, published on 13 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
Input: ti_am335x_tsc - fix off-by-one error in wire_order validation
The current validation 'wire_order[i] > ARRAY_SIZE(config_pins)' allows wire_order[i] to equal ARRAY_SIZE(config_pins), which causes out-of-bounds access when used as index in 'config_pins[wire_order[i]]'.
Since config_pins has 4 elements (indices 0-3), the valid range for wire_order should be 0-3. Fix the off-by-one error by using >= instead of > in the validation check.
Which versions are affected by CVE-2025-68777?
How do I fix CVE-2025-68777?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-68777 being exploited?
There is no known exploitation of CVE-2025-68777 in the wild and no public exploit code.
Sources
Also known as AZL-74450, BELL-CVE-2025-68777, DEBIAN-CVE-2025-68777, GHSA-wggg-mqf2-8f77, ROOT-OS-DEBIAN-11-CVE-2025-68777, ROOT-OS-DEBIAN-12-CVE-2025-68777 and 4 more.