What is CVE-2023-52870?

CVE-2023-52870 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 5.8 onward and patched in 5.10.201, 5.15.139, 6.1.63 and others. CVE-2023-52870 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52870?

CVE-2023-52870 has a CVSS score of 4.1 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52870?

Yes, CVE-2023-52870 has been patched. Fixed versions include 5.10.201, 5.15.139, 6.1.63 and others. If you are running Linux kernel 5.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52870 actively exploited?

CVE-2023-52870 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-2023-52870

Medium

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6765: 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

Yes

CVSS 3.1 score

4.1

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2023-52870 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 5.8 and later are affected. Fixed in 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7 and their respective stable series.

Affected from

≥ 5.8

Fixed in

✓ 5.10.201 5.10.x ✓ 5.15.139 5.15.x ✓ 6.1.63 6.1.x ✓ 6.5.12 6.5.x ✓ 6.6.2 6.6.x ✓ 6.7

References

6 total

Kernel Git
https://git.kernel.org/stable/c/10cc81124407d862f0f747db4baa9c006510b480

Patch
Kernel Git
https://git.kernel.org/stable/c/2617aa8ceaf30e41d3eb7f5fef3445542bef193a

Patch
Kernel Git
https://git.kernel.org/stable/c/533ca5153ad6c7b7d47ae0114b14d0333964b946

Patch
Kernel Git
https://git.kernel.org/stable/c/b5ff3e89b4e7f46ad2aa0de7e08d18e6f87d71bc

Patch
Kernel Git
https://git.kernel.org/stable/c/b82681042724924ae3ba0f2f2eeec217fa31e830

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2023-52870

Severity Medium

CVSS score 4.1 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-04-02

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52870?

CVE-2023-52870 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 5.8 onward and has been patched in 5.10.201, 5.15.139, 6.1.63 and others. CVE-2023-52870 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52870?

CVE-2023-52870 has a CVSS score of 4.1 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52870?

Yes. CVE-2023-52870 has been patched. Fixed versions include 5.10.201, 5.15.139, 6.1.63 and others. If you are running Linux kernel 5.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52870 actively exploited?

No. CVE-2023-52870 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.