CVE-2020-12464

Severity: medium (CVSS 6.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-04-29 · updated 2026-06-17
Weakness: CWE-416

Description

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.

Affected products

Linux kernel: before 3.16.85; from 3.17 before 4.4.221; from 4.5 before 4.9.221; from 4.10 before 4.14.178; from 4.15 before 4.19.119; from 4.20 before 5.4.36 — fixed in 3.16.85, 4.14.178, 4.19.119, 4.4.221, 4.9.221, 5.4.36
Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
NetApp Aff A700S: all versions
NetApp Cloud Backup: all versions
NetApp Hci Baseboard Management Controller: h300s, h410c, h410s, h500s, h610c, h610s (+2)
NetApp Hci Compute Node: all versions
NetApp Hci Storage Nodes: all versions
NetApp Solidfire & Hci Storage Node: all versions
NetApp Solidfire Baseboard Management Controller: all versions
NetApp Steelstore Cloud Integrated Storage: all versions

How to fix

Upgrade to a fixed version: Linux kernel 3.16.85, 4.14.178, 4.19.119, 4.4.221. Check the vendor advisory for mitigations.

References

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