What is CVE-2024-39473?

CVE-2024-39473 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 6.4 onward and patched in 6.6.34, 6.9.5 and 6.10. CVE-2024-39473 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-39473?

CVE-2024-39473 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-2024-39473?

Yes, CVE-2024-39473 has been patched. Fixed versions include 6.6.34, 6.9.5 and 6.10. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-39473 actively exploited?

CVE-2024-39473 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-2024-39473

Medium

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Fix input format query of process modules without base extension If a process module does not have base config extension then the same format applies to all of it's inputs and the process->base_config_ext is NULL, causing NULL dereference when specifically crafted topology and sequences used.

Package Linux Kernel

Published 2024-07-05

Last modified 2024-11-21

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-2024-39473 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 6.4 and later are affected. Fixed in 6.6.34, 6.9.5, 6.10 and their respective stable series.

Affected from

≥ 6.4

Fixed in

✓ 6.6.34 6.6.x ✓ 6.9.5 6.9.x ✓ 6.10

References

3 total

Kernel Git
https://git.kernel.org/stable/c/9e16f17a2a0e97b43538b272e7071537a3e03368

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/e3ae00ee238bce6cfa5ad935c921181c14d18fd6

Mailing List Patch
Kernel Git
https://git.kernel.org/stable/c/ffa077b2f6ad124ec3d23fbddc5e4b0ff2647af8

Mailing List Patch

Details

CVE ID CVE-2024-39473

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-05

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-39473?

CVE-2024-39473 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 6.4 onward and has been patched in 6.6.34, 6.9.5 and 6.10. CVE-2024-39473 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-39473?

CVE-2024-39473 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-2024-39473?

Yes. CVE-2024-39473 has been patched. Fixed versions include 6.6.34, 6.9.5 and 6.10. If you are running Linux kernel 6.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-39473 actively exploited?

No. CVE-2024-39473 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.