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Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-20320)

high Nessus Plugin ID 235715

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-2025-20320 advisory.

 - x86/sev: Harden #VC instruction emulation somewhat (Borislav Petkov (AMD)) [Orabug: 37687865] {CVE-2024-25743} {CVE-2024-25742}
 - x86/entry: Do not allow external 0x80 interrupts (Thomas Gleixner) [Orabug: 37687865] {CVE-2024-25743} {CVE-2024-25742}
 - x86/entry: Convert INT 0x80 emulation to IDTENTRY (Thomas Gleixner) [Orabug: 37687865] {CVE-2024-25743} {CVE-2024-25742}
 - x86/entry: Fixup objtool/ibt validation (Peter Zijlstra) [Orabug: 37687865] {CVE-2024-25743} {CVE-2024-25742}
 - x86/sev: Mark the code returning to user space as syscall gap (Lai Jiangshan) [Orabug: 37687865] {CVE-2024-25743} {CVE-2024-25742}
 - sched/deadline: Fix warning in migrate_enable for boosted tasks (Wander Lairson Costa) [Orabug:
 37433838] {CVE-2024-56583}
 - x86/coco: Disable 32-bit emulation by default on TDX and SEV (Kirill A. Shutemov) [Orabug: 36298741] {CVE-2024-25744}
 - x86/ia32: State that IA32 emulation is disabled (Borislav Petkov (AMD)) [Orabug: 36298741] {CVE-2024-25744}
 - x86: Make IA32_EMULATION boot time configurable (Nikolay Borisov) [Orabug: 36298741] {CVE-2024-25744}
 - x86: Remove toolchain check for X32 ABI capability (Masahiro Yamada) [Orabug: 36298741] {CVE-2024-25744}
 - x86/entry: Make IA32 syscalls' availability depend on ia32_enabled() (Nikolay Borisov) [Orabug:
 36298741] {CVE-2024-25744}
 - x86/elf: Make loading of 32bit processes depend on ia32_enabled() (Nikolay Borisov) [Orabug: 36298741] {CVE-2024-25744}
 - x86/entry: Compile entry_SYSCALL32_ignore() unconditionally (Nikolay Borisov) [Orabug: 36298741] {CVE-2024-25744}
 - x86/entry: Rename ignore_sysret() (Nikolay Borisov) [Orabug: 36298741] {CVE-2024-25744}
 - x86: Introduce ia32_enabled() (Nikolay Borisov) [Orabug: 36298741] {CVE-2024-25744}
 - x86: Fix misspelled Kconfig symbols (Lukas Bulwahn) [Orabug: 36298741] {CVE-2024-25744}
 - net/mlx5: DR, prevent potential error pointer dereference (Dan Carpenter) [Orabug: 37434242] {CVE-2024-56660}
 - bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips (Michael Chan) [Orabug: 37434220] {CVE-2024-56656}
 - bnxt_en: Fix receive ring space parameters when XDP is active (Shravya KN) [Orabug: 37433562] {CVE-2024-53209}
 - bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send() (Aleksandr Mishin) [Orabug: 37070333] {CVE-2024-40919}
 - bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init() (Vikas Gupta) [Orabug: 37070270] {CVE-2024-35972}
 - bnxt_en: Fix double DMA unmapping for XDP_REDIRECT (Somnath Kotur) [Orabug: 37070266] {CVE-2024-44984}
 - nvmet: always initialize cqe.result (Daniel Wagner) [Orabug: 36897348] {CVE-2024-41079}
 - nvmet-auth: complete a request only after freeing the dhchap pointers (Maurizio Lombardi) [Orabug:
 36897348] {CVE-2024-41079}
 - scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info (Justin Tee) [Orabug: 37116505] {CVE-2024-46842}
 - netdevsim: use cond_resched() in nsim_dev_trap_report_work() (Eric Dumazet) [Orabug: 37264120] {CVE-2024-50155}
 - nvmet-auth: assign dh_key to NULL after kfree_sensitive (Vitaliy Shevtsov) [Orabug: 37268555] {CVE-2024-50215}
 - net: usb: lan78xx: Fix double free issue with interrupt buffer allocation (Oleksij Rempel) [Orabug:
 37433573] {CVE-2024-53213}
 - PCI/MSI: Handle lack of irqdomain gracefully (Thomas Gleixner) [Orabug: 37452651] {CVE-2024-56760}

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-2025-20320.html

Plugin Details

Severity: High

ID: 235715

File Name: oraclelinux_ELSA-2025-20320.nasl

Version: 1.1

Type: local

Agent: unix

Published: 5/12/2025

Updated: 5/12/2025

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

Risk Information

VPR

Risk Factor: High

Score: 8.1

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2024-25744

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-container, cpe:/a:oracle:linux:9::developer_uekr7, 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, 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, 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:9:5:baseos_patch, cpe:/a:oracle:linux:9::uekr7, p-cpe:/a:oracle:linux:kernel-uek-container-debug, cpe:/a:oracle:linux:8::uekr7, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-core, cpe:/o:oracle:linux:9::baseos_latest, p-cpe:/a:oracle:linux:kernel-uek-core, cpe:/a:oracle:linux:8::developer_uekr7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/11/2025

Vulnerability Publication Date: 1/9/2024

Reference Information

CVE: CVE-2024-25742, CVE-2024-25743, CVE-2024-25744, CVE-2024-56583