Use After Free in Linux Kernel
CVE-2022-3239
A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.
Vulnerability class: Use-After-Free
EPSS: 0.002 (15.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a Kernel — versions Linux kernel 5.18-rc1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Mailing List, Vendor Advisory)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2022-3239?
- CVE-2022-3239 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-09-19.
- How severe is CVE-2022-3239?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-3239 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.