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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 ()
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It affects Stephan Muelle libkcapi and 7 other products. Add what you run to find out whether that includes you.
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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
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
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 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
- https://access.redhat.com/errata/RHSA-2026:56985vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:67265vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:67266vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:67267vendor-advisory, x-refsource-redhat
- https://access.redhat.com/errata/RHSA-2026:69285vendor-advisory, x-refsource-redhat
- https://access.redhat.com/security/cve/CVE-2026-71226vdb-entry, x-refsource-redhat, vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2462114issue-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.