What is CVE-2023-53165?

CVE-2023-53165 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.6 onward and patched in 4.14.324, 4.19.293, 5.4.255 and others. CVE-2023-53165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53165?

CVE-2023-53165 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-2023-53165?

Yes, CVE-2023-53165 has been patched. Fixed versions include 4.14.324, 4.19.293, 5.4.255 and others. If you are running Linux kernel 4.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53165 actively exploited?

CVE-2023-53165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53165

Medium

In the Linux kernel, the following vulnerability has been resolved: udf: Fix uninitialized array access for some pathnames For filenames that begin with . and are between 2 and 5 characters long, UDF charset conversion code would read uninitialized memory in the output buffer. The only practical impact is that the name may be prepended a "unification hash" when it is not actually needed but still it is good to fix this.

Package Linux Kernel

Published 2025-09-15

Last modified 2025-11-24

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-908

CVE-2023-53165 is classified as CWE-908

See CWE-908 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 4.6 and later are affected. Fixed in 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.123, 6.1.42, 6.4.7, 6.5 and their respective stable series.

Affected from

≥ 4.6

Fixed in

✓ 4.14.324 4.14.x ✓ 4.19.293 4.19.x ✓ 5.4.255 5.4.x ✓ 5.10.192 5.10.x ✓ 5.15.123 5.15.x ✓ 6.1.42 6.1.x ✓ 6.4.7 6.4.x ✓ 6.5

References

The following references provide additional information about CVE-2023-53165 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/008ae78d1e12efa904dc819b1ec83e2bca6b2c56
Patch
Kernel patch commit
https://git.kernel.org/stable/c/028f6055c912588e6f72722d89c30b401bbcf013
Patch
Kernel patch commit
https://git.kernel.org/stable/c/3f1368af47acf4d0b2a5fb0d2c0d6919d2234b6d
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-53165

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-09-15

Modified 2025-11-24

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53165?

CVE-2023-53165 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.6 onward and has been patched in 4.14.324, 4.19.293, 5.4.255 and others. CVE-2023-53165 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53165?

CVE-2023-53165 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-2023-53165?

Yes — CVE-2023-53165 has been patched. Fixed versions include 4.14.324, 4.19.293, 5.4.255 and others. If you are running Linux kernel 4.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53165 actively exploited?

No — CVE-2023-53165 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.