Detections
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Oracle Linux 8 : kernel (ELSA-2026-25121)

high Nessus Plugin ID 321180

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-2026-25121 advisory.

 - ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (Guillaume Nault) [RHEL-172640] {CVE-2026-43037}
 - dlm: fix buffer overflow from negative len in dlm_search_rsb_tree (Alexander Aring) [RHEL-173986] {CVE-2026-43125}
 - dlm: validate length in dlm_search_rsb_tree (Alexander Aring) [RHEL-173986] {CVE-2026-43125}
 - RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (Kamal Heib) [RHEL-179982] {CVE-2026-46181}
 - ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (Guillaume Nault) [RHEL-172664] {CVE-2026-43038}
 - ALSA: 6fire: fix use-after-free on disconnect (Jaroslav Kysela) [RHEL-172963] {CVE-2026-31581}
 - ALSA: 6fire: Release resources at card release (Jaroslav Kysela) [RHEL-172963] {CVE-2024-53239}
 - RDMA/rxe: Fix double free in rxe_srq_from_init (Kamal Heib) [RHEL-179702] {CVE-2026-45852}

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-2026-25121.html

Plugin Details

Severity: High

ID: 321180

File Name: oraclelinux_ELSA-2026-25121.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/16/2026

Updated: 6/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

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-2026-31581

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/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 Ease: No known exploits are available

Patch Publication Date: 6/15/2026

Vulnerability Publication Date: 4/9/2024

Reference Information

CVE: CVE-2023-53781, CVE-2025-21858, CVE-2025-68366, CVE-2026-22984, CVE-2026-22990, CVE-2026-23392, CVE-2026-31581, CVE-2026-31613, CVE-2026-43037, CVE-2026-43038, CVE-2026-43125, CVE-2026-45852, CVE-2026-46181