What is CVE-2022-3078?

CVE-2022-3078 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-09-01.

How severe is CVE-2022-3078?

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

NULL pointer dereference in Linux Kernel

CVE-2022-3078

An issue was discovered in the Linux kernel through 5.16-rc6. There is a lack of check after calling vzalloc() and lack of free after allocation in drivers/media/test-drivers/vidtv/vidtv_s302m.c.

Published 2022-09-01 · 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 (12.7th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.7% 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
Kernel — versions Linux kernel 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)

Frequently asked questions

What is CVE-2022-3078?: CVE-2022-3078 is a medium-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2022-09-01.
How severe is CVE-2022-3078?: Medium severity. CVSS v3 base score is 5.5 out of 10.