CVE-2021-47671

CVSS 3.1 Score 3.3 of 10 (low)

Details

Published Apr 17, 2025
Updated: Apr 21, 2025
CWE ID 401

Summary

CVE-2021-47671 is a Linux kernel vulnerability affecting the etas_es58x module. In the function es58x_rx_err_msg(), if can->do_set_mode() fails, the function directly returns without calling netif_rx(skb), causing a memory leak due to the previously allocated skb not being freed. This issue was discovered through GCC -fanalyzer and has been resolved by removing the return statement in the error branch and allowing the function to continue.

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