CVE-2024-50262

CVSS 3.1 Score 7.8 of 10 (high)

Details

Published Nov 9, 2024
Updated: Nov 13, 2024
CWE ID 787

Summary

CVE-2024-50262 is a vulnerability affecting the Linux kernel. This issue involves the bpf subsystem's trie data structure, specifically the function trie_get_next_key(). This function allocates a node stack with a size based on the maximum prefix length (trie->max_prefixlen), but it writes (trie->max_prefixlen + 1) nodes to the stack when processing full paths. As a result, an out-of-bounds write occurs, potentially leading to stack overflows and arbitrary code execution. This vulnerability has been addressed in recent Linux kernel updates.

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