CVE-2026-54436

2026-11-10

Heap-based Buffer Overflow in the io-char library's DCMD_CHR_WAITINFO devctl() handler could allow an attacker with local access to cause data tampering, arbitrary code execution, or a crash in the Character I/O device driver.

Heap-based Buffer

Overflow in the io-char library's DCMD_CHR_WAITINFO devctl() handler could

allow an attacker with local access to cause data tampering, arbitrary code

execution, or a crash in the Character I/O device driver.