What is CVE-2022-1976?

CVE-2022-1976 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-08-31.

How severe is CVE-2022-1976?

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

Use After Free in Linux Kernel

CVE-2022-1976

A flaw was found in the Linux kernel’s implementation of IO-URING. This flaw allows an attacker with local executable permission to create a string of requests that can cause a use-after-free flaw within the kernel. This issue leads to memory corruption and possible privilege escalation.

Vulnerability class: Use-After-Free

EPSS: 0.002 (14.1th 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 kernel 5.19-rc1

Weakness classification (CWE)

CWE-416 — Use After Free

References

secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
secalert@redhat.com

Frequently asked questions

What is CVE-2022-1976?: CVE-2022-1976 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2022-08-31.
How severe is CVE-2022-1976?: High severity. CVSS v3 base score is 7.8 out of 10.