CVE-2023-2008

Name: CVE-2023-2008
Creator: NVD / NIST
Published: 2023-04-14T21:15:08.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2023-2008 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux kernel's udmabuf device driver. The specific flaw exists within a fault handler. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an array. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the kernel.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.01%

58.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 5.19
Linux	Linux Kernel	>= 4.20, < 5.4.202
Linux	Linux Kernel	>= 5.5, < 5.10.127
Linux	Linux Kernel	>= 5.11, < 5.15.51
Linux	Linux Kernel	>= 5.16, < 5.18.8
Linux	Linux Kernel	5.19

References

https://bugzilla.redhat.com/show_bug.cgi?id=2186862Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4Patch
https://security.netapp.com/advisory/ntap-20230517-0007/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-441/Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=2186862Issue Tracking, Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/05b252cccb2e5c3f56119d25de684b4f810ba4Patch
https://security.netapp.com/advisory/ntap-20230517-0007/Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-441/Third Party Advisory, VDB Entry

Timeline

Published: Apr 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2008?

How severe is CVE-2023-2008?

CVE-2023-2008 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2008?

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-2023-2008?

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

Scan your code now

Source: NVD / NIST