LLDP Daemon Buffer Overflow in NVIDIA Cumulus Linux
CVE-2026-24184 Published on August 18, 2026
NVIDIA Cumulus Linux contains a vulnerability in the Link Layer Discovery Protocol (LLDP) daemon component, where an unauthenticated attacker on an adjacent network could cause buffer overflow by sending crafted LLDP frames. A successful exploit of this vulnerability might lead to code execution.
Vulnerability Analysis
Weakness Type
What is a Classic Buffer Overflow Vulnerability?
The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. A buffer overflow condition exists when a program attempts to put more data in a buffer than it can hold, or when a program attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the "classic" case in which the program copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.
CVE-2026-24184 has been classified to as a Classic Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2026-24184
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Affected Versions
NVIDIA Cumulus Linux GA:- Version 0.0 to 5.16 is affected.
- Version 0.0 to 5.11.5 is affected.
- Version 0.0 to 5.9.5 is affected.