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CVE-2022-40279

Date: September 8, 2022

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).

Language: C

Severity Score

Related Resources (6)

https://linux.die.net/man/3/pcap_dispatch
https://www.cve.org/CVERecord?id=CVE-2022-40279
https://nvd.nist.gov/vuln/detail/CVE-2022-40279
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://www.mend.io/vulnerability-database/CVE-2022-40279

Severity Score

Weakness Type (CWE)

Unchecked Return Value

CWE-252

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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