CVE-2023-3108

Name: CVE-2023-3108
Creator: NVD / NIST
Published: 2023-07-11T16:15:12.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2023-3108 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.18%

7.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 4.0

References

https://access.redhat.com/security/cve/CVE-2023-3108Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2221472Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/9399f0c51489ae8c16d6559b82a452fdc1895e91Patch
https://access.redhat.com/security/cve/CVE-2023-3108Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2221472Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/9399f0c51489ae8c16d6559b82a452fdc1895e91Patch

Timeline

Published: Jul 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3108?

How severe is CVE-2023-3108?

CVE-2023-3108 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3108?

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-2023-3108?

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

Scan your code now

Source: NVD / NIST