CVE-2024-42146

5.5 · MEDIUM

Published Jul 30, 2024 linux EPSS 0.20% (9th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-42146 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 30, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

drm/xe: Add outer runtime_pm protection to xe_live_ktest@xe_dma_buf

Any kunit doing any memory access should get their own runtime_pm

outer references since they don't use the standard driver API

entries. In special this dma_buf from the same driver.

Found by pre-merge CI on adding WARN calls for unprotected

inner callers:

<6> [318.639739] # xe_dma_buf_kunit: running xe_test_dmabuf_import_same_driver

<4> [318.639957] ------------[ cut here ]------------

<4> [318.639967] xe 0000:4d:00.0: Missing outer runtime PM protection

<4> [318.640049] WARNING: CPU: 117 PID: 3832 at drivers/gpu/drm/xe/xe_pm.c:533 xe_pm_runtime_get_noresume+0x48/0x60 [xe]

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
linux	linux_kernel	>= 6.8, < 6.9.9	Affected

References

Ref git.kernel.org/stable/c/0888d15ea45ba8ef4508edd1123ea5ad95b58994 Ref git.kernel.org/stable/c/f9116f658a6217b101e3b4e89f845775b6fb05d9 Ref git.kernel.org/stable/c/0888d15ea45ba8ef4508edd1123ea5ad95b58994 Ref git.kernel.org/stable/c/f9116f658a6217b101e3b4e89f845775b6fb05d9

Frequently Asked Questions

What is CVE-2024-42146?

CVE-2024-42146 is a medium-severity vulnerability affecting linux linux_kernel. It was published on July 30, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42146?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-42146?

How can CyberStrike help with CVE-2024-42146?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-42146 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

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