CVE-2026-71226
HIGH severity · CVSS 7.3 · Use-after-free
7.3CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/security/cve/CVE-2026-71226Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2462114Advisory
- https://access.redhat.com/errata/RHSA-2026:56985
- https://access.redhat.com/errata/RHSA-2026:67265
- https://access.redhat.com/errata/RHSA-2026:67266
- https://access.redhat.com/errata/RHSA-2026:67267
- https://access.redhat.com/errata/RHSA-2026:69285
- https://access.redhat.com/errata/RHSA-2026:87712