CVE-2026-71226
Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path
CVSS Score
7.3
EPSS Score
0.1%
EPSS Percentile
2th
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.
| CWE | CWE-416 |
| Vendor | stephan muelle |
| Product | libkcapi |
| Published | Aug 5, 2026 |
| Last Updated | Aug 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected Versions
Stephan Muelle / libkcapi
0.12.0 < 1.5.1
Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Hardened Images
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
Credits
This issue was discovered by Found by AISLE in partnership with Red Hat.