Oracle Linux 8 : kernel (ELSA-2026-59821)

critical Nessus Plugin ID 341072

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-2026-59821 advisory.

- nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page (Maurizio Lombardi) [RHEL-219613] {CVE-2026-64320}
- i2c: stub: Reject I2C block transfers with invalid length (CKI Backport Bot) [RHEL-232120] {CVE-2026-64191}
- scsi: target: Fix hexadecimal CHAP_I handling (CKI Backport Bot) [RHEL-231660] {CVE-2026-63886}
- scsi: target: iscsi: Validate CHAP_R length before base64 decode (CKI Backport Bot) [RHEL-231660] {CVE-2026-63886}
- Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CKI Backport Bot) [RHEL-231447] {CVE-2026-64277}
- Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CKI Backport Bot) [RHEL-230251] {CVE-2026-64276}
- netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check (CKI Backport Bot) [RHEL-229797] {CVE-2026-63913}
- netfilter: ipset: fix race between dump and ip_set_list resize (CKI Backport Bot) [RHEL-227676] {CVE-2026-64189}

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.

Plugin Details

Severity: Critical

ID: 341072

File Name: oraclelinux_ELSA-2026-59821.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 8/27/2026

Updated: 8/27/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Percentile: 96.17

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-63886

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

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

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: 8/26/2026

Vulnerability Publication Date: 6/22/2026

Reference Information

CVE: CVE-2026-52924, CVE-2026-63886, CVE-2026-63913, CVE-2026-64189, CVE-2026-64191, CVE-2026-64276, CVE-2026-64277, CVE-2026-64320

Detections

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