Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2026-39083)

high Nessus Plugin ID 326917

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-2026-39083 advisory.

 - locking/rtmutex: Skip remove_waiter() when waiter is not enqueued (Phil Auld) [RHEL-193334] {CVE-2026-53166}
 - rtmutex: Use waiter::task instead of current in remove_waiter() (Phil Auld) [RHEL-193143] {CVE-2026-43499}
 - KVM: x86: Fix shadow paging use-after-free due to unexpected role (Paolo Bonzini) [RHEL-192411] {CVE-2026-53359}
 - KVM: x86: Fix shadow paging use-after-free due to unexpected GFN (Aidan Wallace) [RHEL-186618] {CVE-2026-46113}
 - net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change (CKI Backport Bot) [RHEL-182996] {CVE-2025-71066}
 - iommu/vt-d: track SVA mm for kernel page table flush notification (Jerry Snitselaar) [RHEL-150534] {CVE-2025-71089}
 - iommu/amd: track SVA mm for kernel page table flush notification (Jerry Snitselaar) [RHEL-150534] {CVE-2025-71089}
 - x86/mm: flush IOMMU before freeing kernel page table pages (Jerry Snitselaar) [RHEL-150534] {CVE-2025-71089}
 - iommu/sva: add kernel page table IOTLB flush notification (Jerry Snitselaar) [RHEL-150534] {CVE-2025-71089}
 - iommu/vt-d: Fix incorrect cache invalidation for mm notification (Jerry Snitselaar) [RHEL-150534] {CVE-2025-71089}

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-2026-39083.html

Plugin Details

Severity: High

ID: 326917

File Name: oraclelinux_ELSA-2026-39083.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/15/2026

Updated: 7/15/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9

Percentile: 99.75

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-2025-71089

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/14/2026

Vulnerability Publication Date: 1/13/2026

Reference Information

CVE: CVE-2025-71066, CVE-2025-71089, CVE-2026-31411, CVE-2026-43499, CVE-2026-46113, CVE-2026-53266, CVE-2026-53359