What is CVE-2022-3625?

CVE-2022-3625 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.6/10. Published 2022-10-21.

How severe is CVE-2022-3625?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Buffer overflow in Linux Kernel

CVE-2022-3625

A vulnerability was found in Linux Kernel. It has been classified as critical. This affects the function devlink_param_set/devlink_param_get of the file net/core/devlink.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier VDB-211929 was assigned to this vulnerability.

Vulnerability class: Buffer Overflow

Published 2022-10-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.3th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git/commit/ (Patch, Mailing List, Vendor Advisory)
vuldb.com/ (Permissions Required, Third Party Advisory)
lists.debian.org/debian-lts-announce/2022/11/msg00001.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3625?: CVE-2022-3625 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.6/10. Published 2022-10-21.
How severe is CVE-2022-3625?: Medium severity. CVSS v3 base score is 4.6 out of 10.