What is CVE-2024-26604?

CVE-2024-26604 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 6.6 onward and patched in 6.6.18, 6.7.6 and 6.8. CVE-2024-26604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26604?

CVE-2024-26604 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-2024-26604?

Yes, CVE-2024-26604 has been patched. Fixed versions include 6.6.18, 6.7.6 and 6.8. If you are running Linux kernel 6.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-26604 actively exploited?

CVE-2024-26604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-26604

Medium

In the Linux kernel, the following vulnerability has been resolved: Revert "kobject: Remove redundant checks for whether ktype is NULL" This reverts commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31. It is reported to cause problems, so revert it for now until the root cause can be found.

Package Linux Kernel

Published 2024-02-26

Last modified 2025-11-04

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-476

CVE-2024-26604 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.6 and later are affected. Fixed in 6.6.18, 6.7.6, 6.8 and their respective stable series.

Affected from

≥ 6.6

Fixed in

✓ 6.6.18 6.6.x ✓ 6.7.6 6.7.x ✓ 6.8

References

4 total

Kernel Git
https://git.kernel.org/stable/c/3ca8fbabcceb8bfe44f7f50640092fd8f1de375c

Patch
Kernel Git
https://git.kernel.org/stable/c/7f414d306320f837cc3df96cf52161cb8290fb1b

Patch
Kernel Git
https://git.kernel.org/stable/c/b746d52ce7bcac325a2fa264216ead85b7fbbfaa

Patch
Lists
https://lists.fedoraproject.org/archives/list/[email protected]/message/EZOU3745CWCDZ7EMKMXB2OEEIB5Q3IWM/

Details

CVE ID CVE-2024-26604

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-02-26

Modified 2025-11-04

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-26604?

CVE-2024-26604 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.6 onward and has been patched in 6.6.18, 6.7.6 and 6.8. CVE-2024-26604 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26604?

CVE-2024-26604 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-2024-26604?

Yes. CVE-2024-26604 has been patched. Fixed versions include 6.6.18, 6.7.6 and 6.8. If you are running Linux kernel 6.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-26604 actively exploited?

No. CVE-2024-26604 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.