What is CVE-2024-56596?

CVE-2024-56596 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 2.6.12 onward and patched in 5.4.287, 5.10.231, 5.15.174 and others. CVE-2024-56596 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56596?

CVE-2024-56596 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-2024-56596?

Yes, CVE-2024-56596 has been patched. Fixed versions include 5.4.287, 5.10.231, 5.15.174 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56596 actively exploited?

CVE-2024-56596 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-56596

High

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in jfs_readdir The stbl might contain some invalid values. Added a check to return error code in that case.

Package Linux Kernel

Published 2024-12-27

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-129

CVE-2024-56596 is classified as CWE-129

See CWE-129 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 2.6.12 and later are affected. Fixed in 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.66, 6.12.5, 6.13 and their respective stable series.

Affected from

≥ 2.6.12

Fixed in

✓ 5.4.287 5.4.x ✓ 5.10.231 5.10.x ✓ 5.15.174 5.15.x ✓ 6.1.120 6.1.x ✓ 6.6.66 6.6.x ✓ 6.12.5 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-56596 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/839f102efb168f02dfdd46717b7c6dddb26b015e
Patch
Kernel patch commit
https://git.kernel.org/stable/c/8ff7579554571d92e3deab168f5a7d7b146ed368
Patch
Kernel patch commit
https://git.kernel.org/stable/c/97e693593162eef6851d232f0c8148169ed46a5c
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2024-56596

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-12-27

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56596?

CVE-2024-56596 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 2.6.12 onward and has been patched in 5.4.287, 5.10.231, 5.15.174 and others. CVE-2024-56596 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56596?

CVE-2024-56596 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-2024-56596?

Yes — CVE-2024-56596 has been patched. Fixed versions include 5.4.287, 5.10.231, 5.15.174 and others. If you are running Linux kernel 2.6.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56596 actively exploited?

No — CVE-2024-56596 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.