PT-2026-144416

CVE-2026-54436

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Published

2026-11-10

·

Updated

2026-11-10

Description by

CVSS 3.1
7.4
High
MetricsAV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Exploitability
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-122: Heap-based Buffer Overflow
Related identifiers
CVE-2026-54436
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