CVE-2024-56577

5.5 · MEDIUM

Published Dec 27, 2024 linux CWE-476 EPSS 0.23% (14th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-56577 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 27, 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:

media: mtk-jpeg: Fix null-ptr-deref during unload module

The workqueue should be destroyed in mtk_jpeg_core.c since commit

09aea13ecf6f ("media: mtk-jpeg: refactor some variables"), otherwise

the below calltrace can be easily triggered.

[ 677.862514] Unable to handle kernel paging request at virtual address dfff800000000023

[ 677.863633] KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]

...

[ 677.879654] CPU: 6 PID: 1071 Comm: modprobe Tainted: G O 6.8.12-mtk+gfa1a78e5d24b+ #17

...

[ 677.882838] pc : destroy_workqueue+0x3c/0x770

[ 677.883413] lr : mtk_jpegdec_destroy_workqueue+0x70/0x88 [mtk_jpeg_dec_hw]

[ 677.884314] sp : ffff80008ad974f0

[ 677.884744] x29: ffff80008ad974f0 x28: ffff0000d7115580 x27: ffff0000dd691070

[ 677.885669] x26: ffff0000dd691408 x25: ffff8000844af3e0 x24: ffff80008ad97690

[ 677.886592] x23: ffff0000e051d400 x22: ffff0000dd691010 x21: dfff80000000

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	>= 6.4, < 6.6.64	Affected

References

Ref git.kernel.org/stable/c/0ba08c21c6a92e6512e73644555120427c9a49d4 Ref git.kernel.org/stable/c/17af2b39daf12870cac61ffc360e62bc35798afb Ref git.kernel.org/stable/c/bc3889a39baf783c64c6d628bbb74d76ce164bb1

Frequently Asked Questions

What is CVE-2024-56577?

CVE-2024-56577 is a medium-severity vulnerability affecting linux linux_kernel. It was published on December 27, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56577?

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-2024-56577?

How can CyberStrike help with CVE-2024-56577?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-56577 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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