CVE-2020-12770: Canonical Ubuntu Linux

Medium severity, CVSS 6.7. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 19.10 only; version 20.04 only
• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 30 only; version 31 only; version 32 only
• Linux Linux Kernel: up to and including 5.6.11
• Netapp a700s Firmware: affected versions not specified
• Netapp Active Iq Unified Manager: affected versions not specified
• Netapp Bootstrap OS: affected versions not specified
• Netapp Cloud Backup: affected versions not specified
• Netapp Element Software: affected versions not specified
• Netapp h300e Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c 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 h610c Firmware: affected versions not specified
• Netapp h610s Firmware: affected versions not specified
• Netapp h615c Firmware: affected versions not specified
• Netapp h700e Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified
• Netapp Hci Management Node: affected versions not specified
• Netapp Solidfire: affected versions not specified
• Netapp Steelstore Cloud Integrated Storage: affected versions not specified

Published 2020-05-09. Last modified 2026-06-17.