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
Yes

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. Fixed in 4.20, 6.12, 5.4.289, 5.10.233, 5.15.176, 6.1.123, 6.6.69, 6.12.8 and their respective stable series.

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
Fixed in
✓ 4.20 4.20.x ✓ 6.12 6.12.x ✓ 5.4.289 5.4.x ✓ 5.10.233 5.10.x ✓ 5.15.176 5.15.x ✓ 6.1.123 6.1.x ✓ 6.6.69 6.6.x ✓ 6.12.8 6.12.x

References

9 total
Showing 5 of 9 references View all on NVD

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 and has been patched in 4.20, 6.12, 5.4.289 and others. 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?

    Yes. CVE-2024-56766 has been patched. Fixed versions include 4.20, 6.12, 5.4.289 and others. If you are running Linux kernel 4.19.325 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • 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.

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