CVE-2017-5123: Linux Kernel

High severity, CVSS 8.8. EPSS: 3.7% chance of exploitation in the next 30 days.

Insufficient data validation in waitid allowed an user to escape sandboxes on Linux.

Affected products

• Linux Linux Kernel: from 4.13, before 4.13.7 (fixed in 4.13.7)
• Netapp Cloud Backup: affected versions not specified
• Netapp h300e Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500e Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700e Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified

Published 2021-11-02. Last modified 2026-06-17.