CVE-2024-56620

5.5 · MEDIUM

Published Dec 27, 2024 linux CWE-476 EPSS 0.21% (11th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-56620 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:

scsi: ufs: qcom: Only free platform MSIs when ESI is enabled

Otherwise, it will result in a NULL pointer dereference as below:

Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008

Call trace:

mutex_lock+0xc/0x54

platform_device_msi_free_irqs_all+0x14/0x20

ufs_qcom_remove+0x34/0x48 [ufs_qcom]

platform_remove+0x28/0x44

device_remove+0x4c/0x80

device_release_driver_internal+0xd8/0x178

driver_detach+0x50/0x9c

bus_remove_driver+0x6c/0xbc

driver_unregister+0x30/0x60

platform_driver_unregister+0x14/0x20

ufs_qcom_pltform_exit+0x18/0xb94 [ufs_qcom]

__arm64_sys_delete_module+0x180/0x260

invoke_syscall+0x44/0x100

el0_svc_common.constprop.0+0xc0/0xe0

do_el0_svc+0x1c/0x28

el0_svc+0x34/0xdc

el0t_64_sync_handler+0xc0/0xc4

el0t_64_sync+0x190/0x194

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	>= 6.3, < 6.12.5	Affected

References

Ref git.kernel.org/stable/c/64506b3d23a337e98a74b18dcb10c8619365f2bd Ref git.kernel.org/stable/c/f16a097047e38dcdd169a15e3eed1b2f2147a2e7 Ref git.kernel.org/stable/c/f99cb5f6344ef93777fd3add7979ebf291a852df

Frequently Asked Questions

What is CVE-2024-56620?

CVE-2024-56620 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-2024-56620?

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-2024-56620?

How can CyberStrike help with CVE-2024-56620?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-56620 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.

How CyberStrike Helps

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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