Detections
Analytics

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20520)

high Nessus Plugin ID 247834

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Synopsis

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

Description

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-20520 advisory.

 - perf: Fix perf_event_validate_size() lockdep splat (Mark Rutland) [Orabug: 36261485] {CVE-2023-6931}
 - perf: Fix perf_event_validate_size() (Peter Zijlstra) [Orabug: 36261485] {CVE-2023-6931}
 - nvme: tcp: avoid race between queue_lock lock and destroy (Hannes Reinecke) [Orabug: 37331887] {CVE-2024-53100}
 - sunrpc: handle SVC_GARBAGE during svc auth processing as auth error (Jeff Layton) [Orabug: 38137450] {CVE-2025-38089}
 - net_sched: sch_sfq: move the limit validation (Octavian Purdila) [Orabug: 38160459] {CVE-2025-37752}
 - Add Zen34 clients (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - x86/process: Move the buffer clearing before MONITOR (Kim Phillips) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - Add normal counters (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - KVM: SVM: Advertize TSA CPUID bits to guests (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - x86/bugs: Add a Transient Scheduler Attacks mitigation (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - x86/bugs: Rename MDS machinery to something more generic (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - x86/CPU/AMD: Add ZenX generations flags (Borislav Petkov (AMD)) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}
 - x86/bugs: Free X86_BUG_AMD_APIC_C1E and X86_BUG_AMD_E400 bits (Boris Ostrovsky) [Orabug: 38167060] {CVE-2024-36350} {CVE-2024-36357}

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-2025-20520.html

Plugin Details

Severity: High

ID: 247834

File Name: oraclelinux_ELSA-2025-20520.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/11/2025

Updated: 8/12/2025

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS Score Source: CVE-2023-6931

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

Vector: CVSS:3.0/AV:L/AC:H/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-uek-container, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules, p-cpe:/a:oracle:linux:kernel-uek64k, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek64k-modules, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-uek-debug-core, p-cpe:/a:oracle:linux:kernel-uek-debug-modules, cpe:/o:oracle:linux:9:6:baseos_patch, p-cpe:/a:oracle:linux:kernel-uek64k-devel, p-cpe:/a:oracle:linux:kernel-uek-container-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-core, p-cpe:/a:oracle:linux:kernel-uek-core

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: 8/10/2025

Vulnerability Publication Date: 6/13/2023

Reference Information

CVE: CVE-2023-6931, CVE-2024-36350, CVE-2024-36357, CVE-2024-53100, CVE-2024-57996, CVE-2025-37752, CVE-2025-38089