What is CVE-2023-52904?

CVE-2023-52904 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 5.15.152 onward and patched in 5.15.168. CVE-2023-52904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52904?

CVE-2023-52904 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-2023-52904?

Yes, CVE-2023-52904 has been patched. Fixed versions include 5.15.168. If you are running Linux kernel 5.15.152 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52904 actively exploited?

CVE-2023-52904 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-2023-52904

Medium

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate() The subs function argument may be NULL, so do not use it before the NULL check.

Package Linux Kernel

Published 2024-08-21

Last modified 2024-10-17

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-2023-52904 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 5.15.152 and later are affected. Fixed in 5.15.168 and their respective stable series.

Affected from

≥ 5.15.152

Fixed in

✓ 5.15.168 5.15.x

References

3 total

Kernel Git
https://git.kernel.org/stable/c/92a9c0ad86d47ff4cce899012e355c400f02cfb8

Patch
Kernel Git
https://git.kernel.org/stable/c/a474d4ad59cd4642d1b7e3a6c08cef9eca0992c8

Patch
Kernel Git
https://git.kernel.org/stable/c/f57204edc10760c935d8d36ea999dc8acf018030

Details

CVE ID CVE-2023-52904

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-21

Modified 2024-10-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52904?

CVE-2023-52904 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 5.15.152 onward and has been patched in 5.15.168. CVE-2023-52904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52904?

CVE-2023-52904 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-2023-52904?

Yes. CVE-2023-52904 has been patched. Fixed versions include 5.15.168. If you are running Linux kernel 5.15.152 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52904 actively exploited?

No. CVE-2023-52904 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.