CVE-2022-3078

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-01 · updated 2026-06-17
Weakness: CWE-476

Description

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.

Affected products

Linux kernel: before 5.18 — fixed in 5.18

How to fix

Upgrade to a fixed version: Linux kernel 5.18. Check the vendor advisory for mitigations.

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=e6a21a14106d9718aa4f8e115b1e474888eeba44
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.19-rc2&id=e6a21a14106d9718aa4f8e115b1e474888eeba44

Get alerted when CVE-2022-3078 or the next vulnerability affects your stack