Detections
Analytics

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500135)

high Nessus Plugin ID 333178

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500135 advisory.

 - KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Sean Christopherson) [Orabug: 39832878] {CVE-2026-64561}
 - x86/bugs: Make Safe-RET robust against interrupt injection (Borislav Petkov (AMD)) [Orabug: 39832867] {CVE-2026-68480}

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 packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-500135.html

Plugin Details

Severity: High

ID: 333178

File Name: oraclelinux_ELSA-2026-500135.nasl

Version: 1.4

Type: Local

Agent: unix

Published: 8/6/2026

Updated: 8/26/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8

Percentile: 99.68

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-64561

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-uek-core, p-cpe:/a:oracle:linux:kernel-uek-debug-core, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-core, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-debug-modules, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-modules-core, p-cpe:/a:oracle:linux:kernel-uek-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-modules, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek64k-core, p-cpe:/a:oracle:linux:kernel-uek64k-devel, p-cpe:/a:oracle:linux:kernel-uek64k-modules-core, p-cpe:/a:oracle:linux:kernel-uek64k-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek64k-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-modules-usb, p-cpe:/a:oracle:linux:kernel-uek64k-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek64k-modules, p-cpe:/a:oracle:linux:kernel-uek64k, p-cpe:/a:oracle:linux:kernel-uek

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: 8/6/2026

Vulnerability Publication Date: 7/27/2026

Reference Information

CVE: CVE-2026-64531, CVE-2026-64561, CVE-2026-68480, CVE-2026-74684