What is CVE-2024-56573?

CVE-2024-56573 is a high-severity vulnerability in Linux, classified under Release of Invalid Pointer or Reference. CVSS score: 7.0/10. Published 2024-12-27.

How severe is CVE-2024-56573?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2024-56573 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

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().

EPSS: 0.002 (13.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9, 6.2, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

Public proof-of-concept exploits

cku-heise/euvd-api-doc

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-56573?: CVE-2024-56573 is a high-severity vulnerability in Linux, classified under Release of Invalid Pointer or Reference. CVSS score: 7.0/10. Published 2024-12-27.
How severe is CVE-2024-56573?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2024-56573 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.