Detections
Analytics
Oracle Linux 8 : ELSA-2026-67266-0: / libkcapi (ELSA-2026-672660)
high Nessus Plugin ID 345983
Synopsis
The remote Oracle Linux host is missing one or more security updates.Description
The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-672660 advisory.- CVE-2026-71226: Fix memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path Resolves: RHEL-224809
- CVE-2026-71227: Fix infinite loop denial of service in libkcapi
_kcapi_aio_read_all() due to unhandled io_getevents() timeout return Resolves: RHEL-224975
Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected libkcapi and / or libkcapi-hmaccalc packages.See Also
Plugin Details
Severity: High
ID: 345983
File Name: oraclelinux_ELSA-2026-672660.nasl
Version: 1.1
Type: Local
Agent: unix
Published: 9/15/2026
Updated: 9/15/2026
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.9
Percentile: 52.57
CVSS v2
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 4.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSS Score Source: CVE-2026-71226
CVSS v3
Risk Factor: High
Base Score: 7.3
Temporal Score: 6.6
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:oracle:linux:8, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:libkcapi-hmaccalc, p-cpe:/a:oracle:linux:libkcapi
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/14/2026
Vulnerability Publication Date: 8/5/2026