CVE-2020-27825: Debian Linux

Medium severity, CVSS 5.7. EPSS: 0.3% chance of exploitation in the next 30 days.

A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• Linux Linux Kernel: version 5.10 only
• Netapp Cloud Backup: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp Solidfire Baseboard Management Controller Firmware: affected versions not specified
• Red Hat Enterprise Linux: version 7.0 only; version 8.0 only
• Red Hat Enterprise Mrg: version 2.0 only

Published 2020-12-11. Last modified 2026-06-17.