What is CVE-2023-52696?

CVE-2023-52696 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 4.20 onward and patched in 5.4.268, 5.10.209, 5.15.148 and others. CVE-2023-52696 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52696?

CVE-2023-52696 has a CVSS score of 7.5 out of 10, rated High severity. The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52696?

Yes, CVE-2023-52696 has been patched. Fixed versions include 5.4.268, 5.10.209, 5.15.148 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52696 actively exploited?

CVE-2023-52696 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-2023-52696

High

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_powercap_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Package Linux Kernel

Published 2024-05-17

Last modified 2025-04-07

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.5

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-476

CVE-2023-52696 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 4.20 and later are affected. Fixed in 5.4.268, 5.10.209, 5.15.148, 6.1.75, 6.6.14, 6.7.2, 6.8 and their respective stable series.

Affected from

≥ 4.20

Fixed in

✓ 5.4.268 5.4.x ✓ 5.10.209 5.10.x ✓ 5.15.148 5.15.x ✓ 6.1.75 6.1.x ✓ 6.6.14 6.6.x ✓ 6.7.2 6.7.x ✓ 6.8

References

8 total

Kernel Git
https://git.kernel.org/stable/c/69f95c5e9220f77ce7c540686b056c2b49e9a664

Patch
Kernel Git
https://git.kernel.org/stable/c/6b58d16037217d0c64a2a09b655f370403ec7219

Patch
Kernel Git
https://git.kernel.org/stable/c/9da4a56dd3772570512ca58aa8832b052ae910dc

Patch
Kernel Git
https://git.kernel.org/stable/c/a67a04ad05acb56640798625e73fa54d6d41cce1

Patch
Kernel Git
https://git.kernel.org/stable/c/b02ecc35d01a76b4235e008d2dd292895b28ecab

Patch

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2023-52696

Severity High

CVSS score 7.5 / 10

CVSS version 3.1

Published 2024-05-17

Modified 2025-04-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52696?

CVE-2023-52696 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 4.20 onward and has been patched in 5.4.268, 5.10.209, 5.15.148 and others. CVE-2023-52696 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52696?

CVE-2023-52696 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52696?

Yes. CVE-2023-52696 has been patched. Fixed versions include 5.4.268, 5.10.209, 5.15.148 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52696 actively exploited?

No. CVE-2023-52696 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.