Red HatCVE-2026-71226
Red Hat OpenShift Container Platform 4: memory corruption
High7.3CVE-2026-71226 · Published Aug 5, 2026 · updated Sep 21, 2026
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Red Hat OpenShift Container Platform 4 Product | all versions | No fix yet |
| all versions | No fix yet | |
| libkcapi Product | >= 0.12.0, < 1.5.1 | 1.5.1 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-416
- www.cve.org/CVERecord?id=CVE-2026-71226
- nvd.nist.gov/vuln/detail/CVE-2026-71226
- access.redhat.com/errata/RHSA-2026:56985
- access.redhat.com/errata/RHSA-2026:67265
- access.redhat.com/errata/RHSA-2026:67266
- access.redhat.com/errata/RHSA-2026:67267
- access.redhat.com/errata/RHSA-2026:69285
- access.redhat.com/security/cve/CVE-2026-71226
- bugzilla.redhat.com/show_bug.cgi?id=2462114
More Red Hat advisories
All Red Hat| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 5 | Red Hat Enterprise Linux 10: integer overflow | Low2.2 | No fix yet |
| Aug 5 | Red Hat RPM: buffer overflow | Medium5.5 | No fix yet |
| Aug 5 | Red Hat OpenShift Container Platform 4: authentication bypass | Medium6.5 | No fix yet |
| Aug 5 | Red Hat SAML broker: origin validation error | High7.4 | No fix yet |
| Aug 5 | Red Hat Keycloak: type confusion | High8.8 | No fix yet |
| Aug 5 | Red Hat LDAP storage provider of Keycloak: improper privilege management | Medium5.4 | No fix yet |