High severity7.4NVD Advisory· Published Nov 10, 2026
CVE-2026-54436
CVE-2026-54436
Description
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.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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