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.
Affected products
redhat: hardened images; redhat: openshift container platform; smuellerdd: libkcapi; redhat: enterprise linux
References10
- access.redhat.com/security/cve/CVE-2026-71226 Vendor Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2462114 Issue TrackingVendor Advisory
- 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/errata/RHSA-2026:87712
- access.redhat.com/errata/RHSA-2026:93453
- access.redhat.com/errata/RHSA-2026:94537
Metrics
- CVSS 3.1
-
7.3
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H - EPSS — exploit probability
- 0% percentile: 4 · as of 13 November 2026
- CWE
- CWE-416
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