High 7.3Published Aug 5, 2026

CVE-2026-71226Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path

Updated under an hour ago (Oct 27, 2026, 8:00 AM ET)

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Every CVE for Stephan Muelle libkcapi

Exploited in the last 30 days

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: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Modified
Record last updated: Oct 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Stephan Muelle libkcapi stephan_muelle:libkcapi (from the name)	from 0.12.0 before 1.5.1	CNA record
Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:1.5.1-1.el10_2 not affected	CNA record
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support redhat:enterprise_linux_eus	from 0:1.5.0-6.el10_0 not affected	CNA record
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support redhat:rhel_eus	from 0:1.4.0-2.el9_6.1 not affected	CNA record
Red Hat Red Hat Hardened Images redhat:hummingbird	from 1.5.1-0.1.hum1 not affected	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CNA record
redhat hardened_images redhat:hardened_images	all versions	NVD
redhat openshift_container_platform redhat:openshift_container_platform	4.0	NVD
smuellerdd libkcapi smuellerdd:libkcapi	from 0.12.0 before 1.5.1	NVD
redhat enterprise_linux redhat:enterprise_linux	8.0; 9.0; 10.0	NVD

References

References

https://access.redhat.com/errata/RHSA-2026:56985	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:67265	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:67266	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:67267	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:69285	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:87712	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2026-71226	vdb-entry, x-refsource-redhat, vendor-advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2462114	issue-tracking, x-refsource-redhat, vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.