Libkcapi: memory corruption via uncanceled aio requests on error in libkcapi's one-shot aio path
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 10Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Hardened ImagesRed Hat · Red Hat OpenShift Container Platform 4Stephan Muelle · libkcapiReferences
https://access.redhat.com/errata/RHSA-2026:56985https://access.redhat.com/errata/RHSA-2026:67265https://access.redhat.com/errata/RHSA-2026:67266https://access.redhat.com/errata/RHSA-2026:67267https://access.redhat.com/security/cve/CVE-2026-71226https://bugzilla.redhat.com/show_bug.cgi?id=2462114