Vulnerabilities CVE-2026-71227

CVE-2026-71227

Medium

Open

TLP:CLEAR

Libkcapi: infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled io_getevents() timeout return

NVD CVE.org

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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.

Details

CVSS Score: 5.1
EPSS Score ⓘ: 0.11%

1.6th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 25, 2026

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