What is CVE-2023-53448?

CVE-2023-53448 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.0 onward and patched in 6.1.42, 6.4.7 and 6.5. CVE-2023-53448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53448?

CVE-2023-53448 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-2023-53448?

Yes, CVE-2023-53448 has been patched. Fixed versions include 6.1.42, 6.4.7 and 6.5. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53448 actively exploited?

CVE-2023-53448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53448

Medium

In the Linux kernel, the following vulnerability has been resolved: fbdev: imxfb: Removed unneeded release_mem_region Remove unnecessary release_mem_region from the error path to prevent mem region from being released twice, which could avoid resource leak or other unexpected issues.

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-16

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-617

CVE-2023-53448 is classified as CWE-617

See CWE-617 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 6.0 and later are affected. Fixed in 6.1.42, 6.4.7, 6.5 and their respective stable series.

Affected from

≥ 6.0

Fixed in

✓ 6.1.42 6.1.x ✓ 6.4.7 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-53448 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/38282a92c30422836d49e519bd109237f86a0888
Patch
Kernel patch commit
https://git.kernel.org/stable/c/45fcc058a75bf5d65cf4c32da44a252fbe873cd4
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6aa851f6276fa08cd59b044bc2b803c49edf58a2
Patch

Details

CVE ID CVE-2023-53448

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-16

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53448?

CVE-2023-53448 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.0 onward and has been patched in 6.1.42, 6.4.7 and 6.5. CVE-2023-53448 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53448?

CVE-2023-53448 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-2023-53448?

Yes — CVE-2023-53448 has been patched. Fixed versions include 6.1.42, 6.4.7 and 6.5. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53448 actively exploited?

No — CVE-2023-53448 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.