Use After Free Affecting libkcapi package, versions <0:1.4.0-3.el9_8


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.14% (3rd percentile)

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  • Snyk IDSNYK-ROCKY9-LIBKCAPI-19846890
  • published16 Sept 2026
  • disclosed5 Aug 2026

Introduced: 5 Aug 2026

CVE-2026-71226  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:9 libkcapi to version 0:1.4.0-3.el9_8 or higher.
This issue was patched in RLSA-2026:67265.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libkcapi package and not the libkcapi package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

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 Base Scores

version 3.1