What is CVE-2024-42307?

CVE-2024-42307 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 6.1.85 onward and patched in 6.1.103, 6.6.44, 6.10.3 and others. CVE-2024-42307 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42307?

CVE-2024-42307 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-2024-42307?

Yes, CVE-2024-42307 has been patched. Fixed versions include 6.1.103, 6.6.44, 6.10.3 and others. If you are running Linux kernel 6.1.85 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42307 actively exploited?

CVE-2024-42307 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-2024-42307

Medium

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential null pointer use in destroy_workqueue in init_cifs error path Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 init_cifs() error: we previously assumed 'serverclose_wq' could be null (see line 1895) The patch which introduced the serverclose workqueue used the wrong oredering in error paths in init_cifs() for freeing it on errors.

Package Linux Kernel

Published 2024-08-17

Last modified 2025-11-03

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-2024-42307 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 6.1.85, 6.6.26, 6.8.5, 6.9 and later are affected. Fixed in 6.1.103, 6.6.44, 6.10.3, 6.11 and their respective stable series.

Affected from

≥ 6.1.85 ≥ 6.6.26 ≥ 6.8.5 ≥ 6.9

Fixed in

✓ 6.1.103 6.1.x ✓ 6.6.44 6.6.x ✓ 6.10.3 6.10.x ✓ 6.11

References

5 total

Kernel Git
https://git.kernel.org/stable/c/160235efb4f9b55212dedff5de0094c606c4b303

Patch
Kernel Git
https://git.kernel.org/stable/c/193cc89ea0ca1da311877d2b4bb5e9f03bcc82a2

Patch
Kernel Git
https://git.kernel.org/stable/c/3739d711246d8fbc95ff73dbdace9741cdce4777

Patch
Kernel Git
https://git.kernel.org/stable/c/6018971710fdc7739f8655c1540832b4bb903671

Patch
Debian Security
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Details

CVE ID CVE-2024-42307

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-17

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42307?

CVE-2024-42307 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 6.1.85 onward and has been patched in 6.1.103, 6.6.44, 6.10.3 and others. CVE-2024-42307 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42307?

CVE-2024-42307 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-2024-42307?

Yes. CVE-2024-42307 has been patched. Fixed versions include 6.1.103, 6.6.44, 6.10.3 and others. If you are running Linux kernel 6.1.85 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42307 actively exploited?

No. CVE-2024-42307 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.