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().

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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.

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CVE-2024-56573