What is CVE-2023-0469?

CVE-2023-0469 is a medium-severity vulnerability in Linux Kernel, classified under Integer Underflow. CVSS score: 5.5/10. Published 2023-01-26.

How severe is CVE-2023-0469?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Use After Free in Linux Kernel

CVE-2023-0469

A use-after-free flaw was found in io_uring/filetable.c in io_install_fixed_file in the io_uring subcomponent in the Linux Kernel during call cleanup. This flaw may lead to a denial of service.

EPSS: 0.003 (24.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel — versions 6.1
N/a Kernel — versions Linux Kernel prior t oKernel 6.1 RC7

Weakness classification (CWE)

CWE-191 — Integer Underflow
CWE-416 — Use After Free

References

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

Frequently asked questions

What is CVE-2023-0469?: CVE-2023-0469 is a medium-severity vulnerability in Linux Kernel, classified under Integer Underflow. CVSS score: 5.5/10. Published 2023-01-26.
How severe is CVE-2023-0469?: Medium severity. CVSS v3 base score is 5.5 out of 10.