What is CVE-2023-52821?

CVE-2023-52821 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 4.17 onward and patched in 5.10.202, 5.15.140, 6.1.64 and others. CVE-2023-52821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52821?

CVE-2023-52821 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-2023-52821?

Yes, CVE-2023-52821 has been patched. Fixed versions include 5.10.202, 5.15.140, 6.1.64 and others. If you are running Linux kernel 4.17 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52821 actively exploited?

CVE-2023-52821 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-2023-52821

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/panel: fix a possible null pointer dereference In versatile_panel_get_modes(), the return value of drm_mode_duplicate() is assigned to mode, which will lead to a NULL pointer dereference on failure of drm_mode_duplicate(). Add a check to avoid npd.

Package Linux Kernel

Published 2024-05-21

Last modified 2024-11-21

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-2023-52821 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 4.17 and later are affected. Fixed in 5.10.202, 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 4.17

Fixed in

✓ 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

6 total

Kernel Git
https://git.kernel.org/stable/c/2381f6b628b3214f07375e0adf5ce17093c31190

Patch
Kernel Git
https://git.kernel.org/stable/c/4fa930ba046d20fc1899770396ee11e905fa96e4

Patch
Kernel Git
https://git.kernel.org/stable/c/79813cd59398015867d51e6d7dcc14d287d4c402

Patch
Kernel Git
https://git.kernel.org/stable/c/8a9dd36fcb4f3906982b82593393578db4479992

Patch
Kernel Git
https://git.kernel.org/stable/c/924e5814d1f84e6fa5cb19c6eceb69f066225229

Patch

Showing 5 of 6 references View all on NVD

Details

CVE ID CVE-2023-52821

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52821?

CVE-2023-52821 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 4.17 onward and has been patched in 5.10.202, 5.15.140, 6.1.64 and others. CVE-2023-52821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52821?

CVE-2023-52821 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-2023-52821?

Yes. CVE-2023-52821 has been patched. Fixed versions include 5.10.202, 5.15.140, 6.1.64 and others. If you are running Linux kernel 4.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52821 actively exploited?

No. CVE-2023-52821 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.