CVE-2024-56573: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool().

Is your site exposed to CVE-2024-56573?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-763 CWE-763

Affected Products

Vendor	Product	Versions
linux	linux_kernel	6.2 — 6.6.64
linux	linux_kernel	6.7 — 6.12.4

References

Advisories & Patches

https://git.kernel.org/stable/c/06d39d79cbd5a91a33707951ebf2512d0e759847 https://git.kernel.org/stable/c/d173aee5709bd0994d216d60589ec67f8b11376a https://git.kernel.org/stable/c/eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf

Frequently Asked Questions

What is CVE-2024-56573? +

In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool(). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56573? +

CVE-2024-56573 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-56573? +

CVE-2024-56573 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56573? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-13824

A security issue exists due to improper handling of malformed CIP packets during fuzzing. The controller enters a hard fault …

CVE-2024-44852 9.8

Open Robotics Robotic Operating System 2 ROS2 navigation2 v.humble was discovered to contain a segmentation violation via the component theta_star::ThetaStar::isUnsafeToPlan().

CVE-2026-52993 9.8

In the Linux kernel, the following vulnerability has been resolved: tipc: fix double-free in tipc_buf_append() tipc_msg_validate() can potentially reallocate the …

CVE-2025-25215 8.8

An arbitrary free vulnerability exists in the cv_close functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior …

CVE-2024-6607 8.8

It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a …

CVE-2023-43532 8.4

Memory corruption while reading ACPI config through the user mode app.

CVE-2024-56573