Use After Free in Linux Kernel
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.
Vulnerability class: Use-After-Free
EPSS: 0.013 (67.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 35, 36, 37
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch, Mailing List, Third Party Advisory)
- cve@mitre.org (Exploit, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2022-42719?
- CVE-2022-42719 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 8.8/10. Published 2022-10-13.
- How severe is CVE-2022-42719?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-42719 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.