What is CVE-2023-52867?

CVE-2023-52867 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 4.13 onward and patched in 4.14.330, 4.19.299, 5.4.261 and others. CVE-2023-52867 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52867?

CVE-2023-52867 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-52867?

Yes, CVE-2023-52867 has been patched. Fixed versions include 4.14.330, 4.19.299, 5.4.261 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52867 actively exploited?

CVE-2023-52867 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2023-52867

High

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: possible buffer overflow Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after access.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-09-24

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2023-52867 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.13 and later are affected. Fixed in 4.14.330, 4.19.299, 5.4.261, 5.10.201, 5.15.139, 6.1.63, 6.5.12, 6.6.2, 6.7 and their respective stable series.

Affected from

≥ 4.13

Fixed in

✓ 4.14.330 4.14.x ✓ 4.19.299 4.19.x ✓ 5.4.261 5.4.x ✓ 5.10.201 5.10.x ✓ 5.15.139 5.15.x ✓ 6.1.63 6.1.x ✓ 6.5.12 6.5.x ✓ 6.6.2 6.6.x ✓ 6.7

References

9 total

Kernel Git
https://git.kernel.org/stable/c/112d4b02d94bf9fa4f1d3376587878400dd74783

Patch
Kernel Git
https://git.kernel.org/stable/c/19534a7a225f1bf2da70a9a90d41d0215f8f6b45

Patch
Kernel Git
https://git.kernel.org/stable/c/341e79f8aec6af6b0061b8171d77b085835c6a58

Patch
Kernel Git
https://git.kernel.org/stable/c/347f025a02b3a5d715a0b471fc3b1439c338ad94

Patch
Kernel Git
https://git.kernel.org/stable/c/7b063c93bece827fde237fae1c101bceeee4e896

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2023-52867

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-09-24

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52867?

CVE-2023-52867 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 4.13 onward and has been patched in 4.14.330, 4.19.299, 5.4.261 and others. CVE-2023-52867 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52867?

CVE-2023-52867 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-52867?

Yes. CVE-2023-52867 has been patched. Fixed versions include 4.14.330, 4.19.299, 5.4.261 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52867 actively exploited?

No. CVE-2023-52867 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.