What is CVE-2024-36021?

CVE-2024-36021 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 6.1.85, 6.6.26, 6.8.5 and others. CVE-2024-36021 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-36021?

CVE-2024-36021 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-2024-36021?

Yes, CVE-2024-36021 has been patched. Fixed versions include 6.1.85, 6.6.26, 6.8.5 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-36021 actively exploited?

CVE-2024-36021 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-36021

Medium

In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when devlink reload during pf initialization The devlink reload process will access the hardware resources, but the register operation is done before the hardware is initialized. So, processing the devlink reload during initialization may lead to kernel crash. This patch fixes this by taking devl_lock during initialization.

Package Linux Kernel

Published 2024-05-30

Last modified 2025-09-30

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

Weakness type

CWE-908

CVE-2024-36021 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 6.1.85, 6.6.26, 6.8.5, 6.9 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 6.1.85 6.1.x ✓ 6.6.26 6.6.x ✓ 6.8.5 6.8.x ✓ 6.9

References

4 total

Kernel Git
https://git.kernel.org/stable/c/1b550dae55901c2cc9075d6a7155a71b4f516e86

Patch
Kernel Git
https://git.kernel.org/stable/c/50b69054f455dcdb34bd6b22764c7579b270eef3

Patch
Kernel Git
https://git.kernel.org/stable/c/7ca0f73e5e2da3c129935b97f3a0877cce8ebdf5

Patch
Kernel Git
https://git.kernel.org/stable/c/93305b77ffcb042f1538ecc383505e87d95aa05a

Patch

Details

CVE ID CVE-2024-36021

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-30

Modified 2025-09-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-36021?

CVE-2024-36021 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 6.1.85, 6.6.26, 6.8.5 and others. CVE-2024-36021 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-36021?

CVE-2024-36021 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-2024-36021?

Yes. CVE-2024-36021 has been patched. Fixed versions include 6.1.85, 6.6.26, 6.8.5 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-36021 actively exploited?

No. CVE-2024-36021 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.