CVE-2022-42719
CVSS v3
8.8
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
Technical details
- Published
- 2022-10-13
Frequently asked questions
What is CVE-2022-42719?
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
Is CVE-2022-42719 actively exploited?
Active exploitation of CVE-2022-42719 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-42719?
CVE-2022-42719 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2022-42719 affecting your environment?
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