What is CVE-2023-52838?

CVE-2023-52838 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10, classified as a Use After Free flaw (CWE-416). CVE-2023-52838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52838?

CVE-2023-52838 has a CVSS score of 6.2 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2023-52838?

No patch is currently available for CVE-2023-52838. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-52838 actively exploited?

CVE-2023-52838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2023-52838

Medium

In the Linux kernel, the following vulnerability has been resolved: fbdev: imsttfb: fix a resource leak in probe I've re-written the error handling but the bug is that if init_imstt() fails we need to call iounmap(par->cmap_regs).

Package Linux Kernel

Published 2024-05-21

Last modified 2025-04-02

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.2

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2023-52838 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-52838 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/18d26f9baca7d0d309303e3074a2252b8310884a
Patch
Kernel patch commit
https://git.kernel.org/stable/c/382e1931e0c9cd58a5a8519cdc6cd9dc4d82b485
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6c66d737b2726ac7784269ddf32a31634f8f269d
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-52838

Severity Medium

CVSS score 6.2 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-04-02

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-52838?

CVE-2023-52838 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.2 out of 10 , classified as an Use After Free flaw (CWE-416) . CVE-2023-52838 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52838?

CVE-2023-52838 has a CVSS score of 6.2 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2023-52838?

No patch is currently available for CVE-2023-52838. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-52838 actively exploited?

No — CVE-2023-52838 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. View CWE-416 on MITRE CWE →