What is CVE-2024-43833?

CVE-2024-43833 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 5.19 onward and patched in 6.1.103, 6.6.44, 6.10.3 and others. CVE-2024-43833 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-43833?

CVE-2024-43833 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-2024-43833?

Yes, CVE-2024-43833 has been patched. Fixed versions include 6.1.103, 6.6.44, 6.10.3 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-43833 actively exploited?

CVE-2024-43833 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-2024-43833

Medium

In the Linux kernel, the following vulnerability has been resolved: media: v4l: async: Fix NULL pointer dereference in adding ancillary links In v4l2_async_create_ancillary_links(), ancillary links are created for lens and flash sub-devices. These are sub-device to sub-device links and if the async notifier is related to a V4L2 device, the source sub-device of the ancillary link is NULL, leading to a NULL pointer dereference. Check the notifier's sd field is non-NULL in v4l2_async_create_ancillary_links(). [Sakari Ailus: Reword the subject and commit messages slightly.]

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-2024-43833 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 5.19 and later are affected. Fixed in 6.1.103, 6.6.44, 6.10.3, 6.11 and their respective stable series.

Affected from

≥ 5.19

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/249212ceb4187783af3801c57b92a5a25d410621

Patch
Kernel Git
https://git.kernel.org/stable/c/9b4667ea67854f0b116fe22ad11ef5628c5b5b5f

Patch
Kernel Git
https://git.kernel.org/stable/c/b87e28050d9b0959de24574d587825cfab2f13fb

Patch
Kernel Git
https://git.kernel.org/stable/c/fe0f92fd5320b393e44ca210805e653ea90cc982

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

Details

CVE ID CVE-2024-43833

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-2024-43833?

CVE-2024-43833 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 5.19 onward and has been patched in 6.1.103, 6.6.44, 6.10.3 and others. CVE-2024-43833 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-43833?

CVE-2024-43833 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-2024-43833?

Yes. CVE-2024-43833 has been patched. Fixed versions include 6.1.103, 6.6.44, 6.10.3 and others. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-43833 actively exploited?

No. CVE-2024-43833 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.