What is CVE-2023-52607?

CVE-2023-52607 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 2.6.33 onward and patched in 4.19.307, 5.4.269, 5.10.210 and others. CVE-2023-52607 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52607?

CVE-2023-52607 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-2023-52607?

Yes, CVE-2023-52607 has been patched. Fixed versions include 4.19.307, 5.4.269, 5.10.210 and others. If you are running Linux kernel 2.6.33 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52607 actively exploited?

CVE-2023-52607 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-2023-52607

Medium

In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

Package Linux Kernel

Published 2024-03-06

Last modified 2025-03-14

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-2023-52607 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 2.6.33 and later are affected. Fixed in 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8 and their respective stable series.

Affected from

≥ 2.6.33

Fixed in

✓ 4.19.307 4.19.x ✓ 5.4.269 5.4.x ✓ 5.10.210 5.10.x ✓ 5.15.149 5.15.x ✓ 6.1.77 6.1.x ✓ 6.6.16 6.6.x ✓ 6.7.4 6.7.x ✓ 6.8

References

9 total

Kernel Git
https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532

Patch
Kernel Git
https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611

Patch
Kernel Git
https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b

Patch
Kernel Git
https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7

Patch
Kernel Git
https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2023-52607

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-06

Modified 2025-03-14

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52607?

CVE-2023-52607 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 2.6.33 onward and has been patched in 4.19.307, 5.4.269, 5.10.210 and others. CVE-2023-52607 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52607?

CVE-2023-52607 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-2023-52607?

Yes. CVE-2023-52607 has been patched. Fixed versions include 4.19.307, 5.4.269, 5.10.210 and others. If you are running Linux kernel 2.6.33 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52607 actively exploited?

No. CVE-2023-52607 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.