What is CVE-2023-52789?

CVE-2023-52789 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 4.14 onward and patched in 4.14.331, 4.19.300, 5.4.262 and others. CVE-2023-52789 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52789?

CVE-2023-52789 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-2023-52789?

Yes, CVE-2023-52789 has been patched. Fixed versions include 4.14.331, 4.19.300, 5.4.262 and others. If you are running Linux kernel 4.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52789 actively exploited?

CVE-2023-52789 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-2023-52789

Medium

In the Linux kernel, the following vulnerability has been resolved: tty: vcc: Add check for kstrdup() in vcc_probe() Add check for the return value of kstrdup() and return the error, if it fails in order to avoid NULL pointer dereference.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-01-15

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-2023-52789 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 4.14 and later are affected. Fixed in 4.14.331, 4.19.300, 5.4.262, 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 4.14

Fixed in

✓ 4.14.331 4.14.x ✓ 4.19.300 4.19.x ✓ 5.4.262 5.4.x ✓ 5.10.202 5.10.x ✓ 5.15.140 5.15.x ✓ 6.1.64 6.1.x ✓ 6.5.13 6.5.x ✓ 6.6.3 6.6.x ✓ 6.7

References

9 total

Kernel Git
https://git.kernel.org/stable/c/38cd56fc9de78bf3c878790785e8c231116ef9d3

Patch
Kernel Git
https://git.kernel.org/stable/c/460284dfb10b207980c6f3f7046e33446ceb38ac

Patch
Kernel Git
https://git.kernel.org/stable/c/4a24a31826246b15477399febd13292b0c9f0ee9

Patch
Kernel Git
https://git.kernel.org/stable/c/4ef41a7f33ffe1a335e7db7e1564ddc6afad47cc

Patch
Kernel Git
https://git.kernel.org/stable/c/6c80f48912b5bd4965352d1a9a989e21743a4a06

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2023-52789

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-01-15

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52789?

CVE-2023-52789 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 4.14 onward and has been patched in 4.14.331, 4.19.300, 5.4.262 and others. CVE-2023-52789 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52789?

CVE-2023-52789 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-2023-52789?

Yes. CVE-2023-52789 has been patched. Fixed versions include 4.14.331, 4.19.300, 5.4.262 and others. If you are running Linux kernel 4.14 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52789 actively exploited?

No. CVE-2023-52789 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.