Read the docs
Red Hat Security Advisory

RHSA-2026:93453

libkcapi security update

Released 2026-11-02 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 1 record

Priority LOW 31

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.

CVSS 3.1HIGH 7.3 Local No auth No interaction EPSS 0.00147 Published 2026-08-05 Partial fix · 1.5.1, 1.5.1-1.el10_2 +7 CWE-416