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.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Affected products
- RedHat / enterprise_linux9.0 – 9.0
- RedHat / enterprise_linux10.0 – 10.0
- RedHat / enterprise_linux8.0 – 8.0
- RedHat / hardened_images
- RedHat / openshift_container_platform4.0 – 4.0
- smuellerDD / libkcapi0.12.0 – 1.5.1
- Stephan Muelle / libkcapi0.12.0 – 1.5.1
References
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2026:56985
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2026:67265
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2026:67266
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2026:67267
- VENDOR_ADVISORYhttps://access.redhat.com/errata/RHSA-2026:69285
- VENDOR_ADVISORYhttps://access.redhat.com/security/cve/CVE-2026-71226
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=2462114
Updated 7m ago · 8 sources