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CVE-2022-49980

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix use-after-free Read in usb_udc_uevent() The syzbot fuzzer found a race between uevent callbacks and gadget dri…

Published Jun 18, 2025CWE-416EPSS 0.24%

Overview

CVE-2022-49980 is a high-severity vulnerability. It was published on June 18, 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:

USB: gadget: Fix use-after-free Read in usb_udc_uevent()

The syzbot fuzzer found a race between uevent callbacks and gadget

driver unregistration that can cause a use-after-free bug:

---------------------------------------------------------------

BUG: KASAN: use-after-free in usb_udc_uevent+0x11f/0x130

drivers/usb/gadget/udc/core.c:1732

Read of size 8 at addr ffff888078ce2050 by task udevd/2968

CPU: 1 PID: 2968 Comm: udevd Not tainted 5.19.0-rc4-next-20220628-syzkaller #0

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

06/29/2022

Call Trace:

<TASK>

__dump_stack lib/dump_stack.c:88 [inline]

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

print_address_description mm/kasan/report.c:317 [inline]

print_report.cold+0x2ba/0x719 mm/kasan/report.c:433

kasan_report+0xbe/0x1f0 mm/kasan/report.c:495

usb_udc_uevent+0x11f/0x130 drivers/usb/gadget/udc/core.c:1732

dev_uevent+0x290/0x770 drive

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/2191c00855b03aa59c20e698be713d952d51fc18Refgit.kernel.org/stable/c/f44b0b95d50fffeca036e1ba36770390e0b519dd

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49980?

CVE-2022-49980 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49980?

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-2022-49980?

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-2022-49980?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49980 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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