CVE-2022-40279 Information

Description

An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE). l2_packet_receive_timeout in wpa_supplicant/src/l2_packet/l2_packet_pcap.c has a missing check on the return value of pcap_dispatch leading to a denial of service (malfunction).

Reference

https://github.com/Samsung/TizenRT/issues/5629 https://github.com/Samsung/TizenRT/blob/f8f776dd183246ad8890422c1ee5e8f33ab2aaaf/external/wpa_supplicant/src/l2_packet/l2_packet_pcap.c#L181 https://linux.die.net/man/3/pcap_dispatch