CVE-2026-71226: Red Hat Enterprise Linux

High severity, CVSS 7.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Memory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return an error before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output buffers.

Affected products

• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Red Hat Hardened Images: affected versions not specified
• Red Hat Openshift Container Platform: version 4.0 only
• Smuellerdd Libkcapi: from 0.12.0, before 1.5.1 (fixed in 1.5.1)

Published 2026-08-05. Last modified 2026-09-21.