What is CVE-2024-56766?

CVE-2024-56766 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 4.19.325 onward. CVE-2024-56766 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56766?

CVE-2024-56766 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2024-56766?

No patch is currently available for CVE-2024-56766. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-56766 actively exploited?

CVE-2024-56766 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-56766

High

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: fix double free in atmel_pmecc_create_user() The "user" pointer was converted from being allocated with kzalloc() to being allocated by devm_kzalloc(). Calling kfree(user) will lead to a double free.

Package Linux Kernel

Published 2025-01-06

Last modified 2025-11-03

CVSS version 3.1

Patch available

Not yet patched

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-415

CVE-2024-56766 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.19.325, 6.11.11, 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.64, 6.12.2 and later are affected. No fixed version recorded yet.

Affected from

≥ 4.19.325 ≥ 6.11.11 ≥ 5.4.287 ≥ 5.10.231 ≥ 5.15.174 ≥ 6.1.120 ≥ 6.6.64 ≥ 6.12.2

References

The following references provide additional information about CVE-2024-56766 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Debian Security
https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
Kernel patch commit
https://git.kernel.org/stable/c/1562871ef613fa9492aa0310933eff785166a90e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3d825a241e65f7e3072978729e79d735ec40b80e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6ea15205d7e2b811fbbdf79783f686f58abfb4b7
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2024-56766

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2025-01-06

Modified 2025-11-03

KEV No

Patch

Not yet patched

Package linux

Frequently asked questions

What is CVE-2024-56766?

CVE-2024-56766 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 4.19.325 onward . CVE-2024-56766 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56766?

CVE-2024-56766 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2024-56766?

No patch is currently available for CVE-2024-56766. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-56766 actively exploited?

No — CVE-2024-56766 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.