What is CVE-2023-52868?

CVE-2023-52868 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 2.6.25 onward and patched in 4.14.330, 4.19.299, 5.4.261 and others. CVE-2023-52868 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52868?

CVE-2023-52868 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-2023-52868?

Yes, CVE-2023-52868 has been patched. Fixed versions include 4.14.330, 4.19.299, 5.4.261 and others. If you are running Linux kernel 2.6.25 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52868 actively exploited?

CVE-2023-52868 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-2023-52868

High

In the Linux kernel, the following vulnerability has been resolved: thermal: core: prevent potential string overflow The dev->id value comes from ida_alloc() so it's a number between zero and INT_MAX. If it's too high then these sprintf()s will overflow.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-09-26

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-2023-52868 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 2.6.25 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

≥ 2.6.25

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/0f6b3be28c4d62ef6498133959c72266629bea97

Patch
Kernel Git
https://git.kernel.org/stable/c/3091ab943dfc7b2578599b0fe203350286fab5bb

Patch
Kernel Git
https://git.kernel.org/stable/c/3a8f4e58e1ee707b4f46a1000b40b86ea3dd509c

Patch
Kernel Git
https://git.kernel.org/stable/c/3f795fb35c2d8a637efe76b4518216c9319b998c

Patch
Kernel Git
https://git.kernel.org/stable/c/6ad1bf47fbe5750c4d5d8e41337665e193e2c521

Patch

Showing 5 of 9 references View all on NVD

Details

CVE ID CVE-2023-52868

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-09-26

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52868?

CVE-2023-52868 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 2.6.25 onward and has been patched in 4.14.330, 4.19.299, 5.4.261 and others. CVE-2023-52868 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52868?

CVE-2023-52868 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-2023-52868?

Yes. CVE-2023-52868 has been patched. Fixed versions include 4.14.330, 4.19.299, 5.4.261 and others. If you are running Linux kernel 2.6.25 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52868 actively exploited?

No. CVE-2023-52868 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.