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Vulnerability record · CVE-2026-71226 · published 5 August 2026

CVE-2026-71226: Redhat hardened images use after free vulnerability

Redhat · Hardened Images

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.

7.3 CVSS 3.1 High EPSS 0.18% · top 93.1% CWE-416 · Use after free
7.3CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
7References
21 Sep 2026Last modified by NVD

Description

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:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:56985
https://access.redhat.com/errata/RHSA-2026:67265
https://access.redhat.com/errata/RHSA-2026:67266
https://access.redhat.com/errata/RHSA-2026:67267
https://access.redhat.com/errata/RHSA-2026:69285
https://access.redhat.com/security/cve/CVE-2026-71226 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2462114 Issue TrackingVendor Advisory

Track CVE-2026-71226 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-71226), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.