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CVE-2023-53548

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb The syzbot fuzzer identified a problem in the usbnet driver: usb…

Published Oct 4, 2025EPSS 0.16%

Overview

CVE-2023-53548 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

net: usbnet: Fix WARNING in usbnet_start_xmit/usb_submit_urb

The syzbot fuzzer identified a problem in the usbnet driver:

usb 1-1: BOGUS urb xfer, pipe 3 != type 1

WARNING: CPU: 0 PID: 754 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504

Modules linked in:

CPU: 0 PID: 754 Comm: kworker/0:2 Not tainted 6.4.0-rc7-syzkaller-00014-g692b7dc87ca6 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023

Workqueue: mld mld_ifc_work

RIP: 0010:usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504

Code: 7c 24 18 e8 2c b4 5b fb 48 8b 7c 24 18 e8 42 07 f0 fe 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 c9 fc 8a e8 5a 6f 23 fb <0f> 0b e9 58 f8 ff ff e8 fe b3 5b fb 48 81 c5 c0 05 00 00 e9 84 f7

RSP: 0018:ffffc9000463f568 EFLAGS: 00010086

RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000

RDX: ffff88801eb28000 RSI: ffffffff814c03b7 RDI: 00000

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0dd3e0c31bf3e933fb85faf1443833aef90b8e46Refgit.kernel.org/stable/c/1bebbd9b8037a9cc75984317cb495dec4824c399Refgit.kernel.org/stable/c/27d0f755d649d388fcd12f01436c9a33289e14e3Refgit.kernel.org/stable/c/53c250ea57cf03af41339234b9855ae284f9db91Refgit.kernel.org/stable/c/5e1627cb43ddf1b24b92eb26f8d958a3f5676ccbRefgit.kernel.org/stable/c/a05ac5d00eb7fcb2fda806caa4f56e88df6bc6bbRefgit.kernel.org/stable/c/a0715d04cf687a7e21f0d6ac8c1d479294a3f6f8Refgit.kernel.org/stable/c/ec0d0be41721aca683c5606354a58ee2c687e3f8

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53548?

CVE-2023-53548 is a medium-severity vulnerability. It was published on October 4, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-53548?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53548?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53548?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53548 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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