What is CVE-2022-3910?

CVE-2022-3910 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-11-22.

How severe is CVE-2022-3910?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2022-3910 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Linux Kernel

CVE-2022-3910

Use After Free vulnerability in Linux Kernel allows Privilege Escalation. An improper Update of Reference Count in io_uring leads to Use-After-Free and Local Privilege Escalation. When io_msg_ring was invoked with a fixed file, it called i…

Vulnerability class: Use-After-Free

EPSS: 0.005 (67.4th 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 Kernel — versions 5.18.0

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-3910?: CVE-2022-3910 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-11-22.
How severe is CVE-2022-3910?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-3910 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.