What is CVE-2023-53058?

CVE-2023-53058 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 5.8 onward and patched in 5.10.177, 5.15.105, 6.1.22 and others. CVE-2023-53058 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53058?

CVE-2023-53058 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-2023-53058?

Yes, CVE-2023-53058 has been patched. Fixed versions include 5.10.177, 5.15.105, 6.1.22 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-2023-53058 actively exploited?

CVE-2023-53058 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-2023-53058

Medium

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: E-Switch, Fix an Oops in error handling code The error handling dereferences "vport". There is nothing we can do if it is an error pointer except returning the error code.

Package Linux Kernel

Published 2025-05-02

Last modified 2025-11-07

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-2023-53058 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 5.10.177, 5.15.105, 6.1.22, 6.2.9, 6.3 and their respective stable series.

Affected from

≥ 5.8

Fixed in

✓ 5.10.177 5.10.x ✓ 5.15.105 5.15.x ✓ 6.1.22 6.1.x ✓ 6.2.9 6.2.x ✓ 6.3

References

5 total

Kernel Git
https://git.kernel.org/stable/c/1a9853a7437a22fd849347008fb3c85087906b56

Patch
Kernel Git
https://git.kernel.org/stable/c/388188fb58bef9e7f3ca4f8970f03d493b66909f

Patch
Kernel Git
https://git.kernel.org/stable/c/5eadc80328298ef7beaaf0cd96791667d3b485ca

Patch
Kernel Git
https://git.kernel.org/stable/c/640fcdbcf27fc62de9223f958ceb4e897a00e791

Patch
Kernel Git
https://git.kernel.org/stable/c/c4c977935b2fc60084b3735737d17a06e7ba1bd0

Patch

Details

CVE ID CVE-2023-53058

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-05-02

Modified 2025-11-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53058?

CVE-2023-53058 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 5.8 onward and has been patched in 5.10.177, 5.15.105, 6.1.22 and others. CVE-2023-53058 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53058?

CVE-2023-53058 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-2023-53058?

Yes. CVE-2023-53058 has been patched. Fixed versions include 5.10.177, 5.15.105, 6.1.22 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-2023-53058 actively exploited?

No. CVE-2023-53058 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.