What is CVE-2022-3114?

CVE-2022-3114 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-12-14.

How severe is CVE-2022-3114?

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

NULL pointer dereference in Linux Kernel

CVE-2022-3114

An issue was discovered in the Linux kernel through 5.16-rc6. imx_register_uart_clocks in drivers/clk/imx/clk.c lacks check of the return value of kcalloc() and will cause the null pointer dereference.

Published 2022-12-14 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.002 (11.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Linux Kernel — versions 5.16.0
Kernel — versions Linux 5.16-rc6

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-3114?: CVE-2022-3114 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-12-14.
How severe is CVE-2022-3114?: Medium severity. CVSS v3 base score is 5.5 out of 10.