What is CVE-2023-52858?

CVE-2023-52858 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2023-52858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52858?

CVE-2023-52858 has a CVSS score of 6.2 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52858?

No patch is currently available for CVE-2023-52858. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-52858 actively exploited?

CVE-2023-52858 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-2023-52858

Medium

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-04-02

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.2

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2023-52858 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

References

The following references provide additional information about CVE-2023-52858 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/1d89430fc3158f872d492f1b88d07262f48290c0
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2befa515c1bb6cdd33c262b909d93d1973a219aa
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4f861b63945e076f9f003a5fad958174096df1ee
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2023-52858

Severity Medium

CVSS score 6.2 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-04-02

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-52858?

CVE-2023-52858 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2023-52858 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52858?

CVE-2023-52858 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52858?

No patch is currently available for CVE-2023-52858. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-52858 actively exploited?

No — CVE-2023-52858 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-476 on MITRE CWE →