What is CVE-2023-53535?

CVE-2023-53535 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 3.15 onward and patched in 4.14.308, 4.19.276, 5.4.235 and others. CVE-2023-53535 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53535?

CVE-2023-53535 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-2023-53535?

Yes, CVE-2023-53535 has been patched. Fixed versions include 4.14.308, 4.19.276, 5.4.235 and others. If you are running Linux kernel 3.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53535 actively exploited?

CVE-2023-53535 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53535

Medium

In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Add a check for oversized packets Occasionnaly we may get oversized packets from the hardware which exceed the nomimal 2KiB buffer size we allocate SKBs with. Add an early check which drops the packet to avoid invoking skb_over_panic() and move on to processing the next packet.

Package Linux Kernel

Published 2025-10-04

Last modified 2026-03-23

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

Affected versions

Linux kernel versions 3.15 and later are affected. Fixed in 4.14.308, 4.19.276, 5.4.235, 5.10.173, 5.15.99, 6.1.16, 6.2.3, 6.3 and their respective stable series.

Affected from

≥ 3.15

Fixed in

✓ 4.14.308 4.14.x ✓ 4.19.276 4.19.x ✓ 5.4.235 5.4.x ✓ 5.10.173 5.10.x ✓ 5.15.99 5.15.x ✓ 6.1.16 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53535 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/124ca24e0de958d2e20e0aa1e2434af7b72f8887
Patch
Kernel patch commit
https://git.kernel.org/stable/c/411317d2a4a7d6049d8efeef0d32ae43f8baefce
Patch
Kernel patch commit
https://git.kernel.org/stable/c/5c0862c2c962052ed5055220a00ac1cefb92fbcd
Patch

8 patch commits total View all on NVD

Details

CVE ID CVE-2023-53535

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-04

Modified 2026-03-23

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53535?

CVE-2023-53535 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 3.15 onward and has been patched in 4.14.308, 4.19.276, 5.4.235 and others. CVE-2023-53535 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53535?

CVE-2023-53535 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-2023-53535?

Yes — CVE-2023-53535 has been patched. Fixed versions include 4.14.308, 4.19.276, 5.4.235 and others. If you are running Linux kernel 3.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53535 actively exploited?

No — CVE-2023-53535 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.