CVE-2020-12464

6.7 MEDIUM 0.8% exploit odds Fix listed

What it is

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-04-29 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:51 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.8% in the next 30 days (EPSS).
Severity: 6.7 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-04-29 18:15 UTC
Last modified: 2026-06-17 02:51 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-416 · Use after free
Record status: Modified

Affected

Linux Kernel < 3.16.85
Linux Kernel < 4.4.221
Linux Kernel < 4.9.221
Linux Kernel < 4.14.178
Linux Kernel < 4.19.119
Linux Kernel < 5.4.36
Linux Kernel < 5.6.8
Netapp Active Iq Unified Manager

Attack profile CVSS 3.1 · 6.7

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-12464.md and follow it. Check whether this project is affected by CVE-2020-12464. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record