CVE-2019-19053

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-18 · updated 2026-06-17
Weakness: CWE-401

Description

A memory leak in the rpmsg_eptdev_write_iter() function in drivers/rpmsg/rpmsg_char.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering copy_from_iter_full() failures, aka CID-bbe692e349e2.

Affected products

Broadcom Brocade Fabric Operating System Firmware: all versions
Canonical Ubuntu Linux: 18.04, 19.10
Linux kernel: from 4.20 before 5.4.12 — fixed in 5.4.12
Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
NetApp Aff Baseboard Management Controller: all versions
NetApp Cloud Backup: all versions
NetApp Data Availability Services: all versions
E-Series SANtricity OS Controller Software 11.x: 11.0, 11.0.0, 11.20, 11.25, 11.30, 11.30.5r3 (+12)
NetApp Fas/Aff Baseboard Management Controller: all versions
NetApp Hci Baseboard Management Controller: h610s
NetApp Hci Compute Node Firmware: all versions
NetApp Solidfire, Enterprise Sds & Hci Storage Node: all versions
NetApp Solidfire & Hci Management Node: all versions
NetApp Solidfire Baseboard Management Controller Firmware: all versions
NetApp Steelstore Cloud Integrated Storage: all versions

How to fix

Upgrade to a fixed version: Linux kernel 5.4.12. Check the vendor advisory for mitigations.

References

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