CVE-2022-3623

Name: CVE-2022-3623
Creator: NVD / NIST
Published: 2022-10-20T20:15:09.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2022-3623 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability was found in Linux Kernel. It has been declared as problematic. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 5.1, < 5.4.228
Linux	Linux Kernel	>= 5.5, < 5.10.159
Linux	Linux Kernel	>= 5.11, < 5.15.78
Linux	Linux Kernel	>= 5.16, < 5.19.17
Linux	Linux Kernel	>= 6.0, < 6.0.3
Debian	Debian Linux	11.0

References

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=fac35ba763ed07ba93154c95ffc0c4a55023707fMailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.htmlMailing List, Third Party Advisory
https://vuldb.com/?id.211921Third Party Advisory
https://www.debian.org/security/2023/dsa-5324Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=fac35ba763ed07ba93154c95ffc0c4a55023707fMailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00000.htmlMailing List, Third Party Advisory
https://vuldb.com/?id.211921Third Party Advisory
https://www.debian.org/security/2023/dsa-5324Third Party Advisory

Timeline

Published: Oct 20, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3623?

How severe is CVE-2022-3623?

CVE-2022-3623 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3623?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3623?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST