What is CVE-2024-56768?

CVE-2024-56768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.10 onward and patched in 6.12.8 and 6.13. CVE-2024-56768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-56768?

CVE-2024-56768 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-56768?

Yes, CVE-2024-56768 has been patched. Fixed versions include 6.12.8 and 6.13. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-56768 actively exploited?

CVE-2024-56768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-56768

Medium

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP On x86-64 calling bpf_get_smp_processor_id() in a kernel with CONFIG_SMP disabled can trigger the following bug, as pcpu_hot is unavailable: [ 8.471774] BUG: unable to handle page fault for address: 00000000936a290c [ 8.471849] #PF: supervisor read access in kernel mode [ 8.471881] #PF: error_code(0x0000) - not-present page Fix by inlining a return 0 in the !CONFIG_SMP case.

Package Linux Kernel

Published 2025-01-06

Last modified 2025-10-01

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 6.10 and later are affected. Fixed in 6.12.8, 6.13 and their respective stable series.

Affected from

≥ 6.10

Fixed in

✓ 6.12.8 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-56768 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/23579010cf0a12476e96a5f1acdf78a9c5843657
Patch
Kernel patch commit
https://git.kernel.org/stable/c/f4ab7d74247b0150547cf909b3f6f24ee85183df
Patch

Details

CVE ID CVE-2024-56768

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-01-06

Modified 2025-10-01

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-56768?

CVE-2024-56768 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.10 onward and has been patched in 6.12.8 and 6.13. CVE-2024-56768 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-56768?

CVE-2024-56768 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-56768?

Yes — CVE-2024-56768 has been patched. Fixed versions include 6.12.8 and 6.13. If you are running Linux kernel 6.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-56768 actively exploited?

No — CVE-2024-56768 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.