Medium severity5.1NVD Advisory· Published Aug 5, 2026· Updated Sep 14, 2026
CVE-2026-71227
CVE-2026-71227
Description
A flaw was found in libkcapi. A local attacker can influence an application that uses the Asynchronous Input/Output (AIO) interface. By reusing an AIO-enabled handle after a prior completion error, the _kcapi_aio_read_all() function can enter a non-terminating wait loop. This can lead to a persistent denial of service, making the affected application or thread unresponsive.
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Affected products
10- cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- osv-coords3 versions
< 1.4.0-3.el9_8+ 2 more
- (no CPE)range: < 1.4.0-3.el9_8
- (no CPE)range: < 1.5.1-1.el10_2
- (no CPE)range: < 1.4.0-3.el9_8
Patches
Vulnerability mechanics
References
6- bugzilla.redhat.com/show_bug.cginvdExploitIssue TrackingVendor Advisory
- access.redhat.com/security/cve/CVE-2026-71227nvdVendor Advisory
- access.redhat.com/errata/RHSA-2026:56985nvd
- access.redhat.com/errata/RHSA-2026:67265nvd
- access.redhat.com/errata/RHSA-2026:67266nvd
- access.redhat.com/errata/RHSA-2026:67267nvd
News mentions
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