Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-53138

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbl_device_notify() syzbot reported use-after-free in cfusbl_device_notify() [1].

Published May 2, 2025CWE-416EPSS 0.19%

Overview

CVE-2023-53138 is a high-severity vulnerability. It was published on May 2, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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: caif: Fix use-after-free in cfusbl_device_notify()

syzbot reported use-after-free in cfusbl_device_notify() [1]. This

causes a stack trace like below:

BUG: KASAN: use-after-free in cfusbl_device_notify+0x7c9/0x870 net/caif/caif_usb.c:138

Read of size 8 at addr ffff88807ac4e6f0 by task kworker/u4:6/1214

CPU: 0 PID: 1214 Comm: kworker/u4:6 Not tainted 5.19.0-rc3-syzkaller-00146-g92f20ff72066 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011

Workqueue: netns cleanup_net

Call Trace:

<TASK>

__dump_stack lib/dump_stack.c:88 [inline]

dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106

print_address_description.constprop.0.cold+0xeb/0x467 mm/kasan/report.c:313

print_report mm/kasan/report.c:429 [inline]

kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491

cfusbl_device_notify+0x7c9/0x870 net/caif/caif_usb.c:138

notifier_call_chain+0xb5/0x200 kernel/notifier.c:87

call_netde

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/1793da97a23e31c5bf06631f3f3e5a25f368fd64Refgit.kernel.org/stable/c/287027d8a567168a5d8ce5cb0cba16a34791a48cRefgit.kernel.org/stable/c/3f14457e1584224f4296af613bbd99deb60b5d91Refgit.kernel.org/stable/c/68a45c3cf0e2242a533657f4f535d9b6a7447a79Refgit.kernel.org/stable/c/9781e98a97110f5e76999058368b4be76a788484Refgit.kernel.org/stable/c/9dc16be373b382ddd4c274052a6e870a95e76c01Refgit.kernel.org/stable/c/c3aaec463a632cf4187dc017e421bfa69d7834a9Refgit.kernel.org/stable/c/d1a11bbdbb5ea9f172019c5a4a3e9d8eabd72179

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53138?

CVE-2023-53138 is a high-severity vulnerability. It was published on May 2, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-53138?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-53138?

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-2023-53138?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53138 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.

Related HIGH CVEs from 2023

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999