CVE-2022-40279

Public Exploit

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).

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.21%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory die.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://linux.die.net/man/3/pcap_dispatch third party advisory technical description
https://github.com/Samsung/TizenRT/issues/5629 third party advisory issue tracking
https://github.com/Samsung/TizenRT/blob/f8f776dd183246ad8890422c1ee5e8f33ab2aaaf/external/wpa_supplicant/src/l2_packet/l2_packet_pcap.c#L181 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-40279?
CVE-2022-40279 has been scored as a high severity vulnerability.
How to fix CVE-2022-40279?
To fix CVE-2022-40279, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-40279 being actively exploited in the wild?
It is possible that CVE-2022-40279 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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