CVE-2020-25284: Debian Linux

Medium severity, CVSS 4.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.

Affected products

• Debian Debian Linux: version 9.0 only
• Linux Linux Kernel: before 5.8.9 (fixed in 5.8.9)
• Opensuse Leap: version 15.1 only

Published 2020-09-13. Last modified 2026-06-17.