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Oracle Linux 8 : kernel (ELSA-2026-36366)

high Nessus Plugin ID 326480

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-36366 advisory.

 - fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CKI Backport Bot) [RHEL-189506] {CVE-2026-43112}
 - Enable workaround for ARM64 ERRATUM 4118414 (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on Microsoft Azure Cobalt 100 CPU (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on NVIDIA Olympus CPU (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on various Arm CPUs (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: Add part number for Arm Cortex-A78AE (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: Subscribe Microsoft Azure Cobalt 100 to ARM Neoverse N2 errata (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add NVIDIA Olympus definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add C1-Premium definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add C1-Ultra definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add C1-Pro definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-A720AE definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Neoverse-N3 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-A725 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-A720 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: Add Cortex-715 CPU part definition (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Neoverse-V3AE definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add MIDR_CORTEX_A76AE (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-X1C definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-X925 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-X3 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Neoverse-V3 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: cputype: Add Cortex-X4 definitions (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - arm64: Add Neoverse-V2 part (Mark Salter) [RHEL-183619] {CVE-2025-10263}
 - tcp: fix potential race in tcp_v6_syn_recv_sock() (Antoine Tenart) [RHEL-174237] {CVE-2026-43198}
 - procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CKI Backport Bot) [RHEL-181898] {CVE-2026-46259}
 - drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CKI Backport Bot) [RHEL-179907] {CVE-2026-46209}
 - sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CKI Backport Bot) [RHEL-179857] {CVE-2026-46227}
 - netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CKI Backport Bot) [RHEL-179736] {CVE-2026-43450}
 - gfs2: Fix use-after-free in iomap inline data write path (Andrew Price) [RHEL-179596] {CVE-2026-45984}
 - gfs2: Add metapath_dibh helper (Andrew Price) [RHEL-179596] {CVE-2026-45984}
 - RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CKI Backport Bot) [RHEL-179963] {CVE-2026-46189}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue 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-2026-36366.html

Plugin Details

Severity: High

ID: 326480

File Name: oraclelinux_ELSA-2026-36366.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/13/2026

Updated: 7/13/2026

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: 4.3

Percentile: 53.65

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-2026-43112

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/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: 7/10/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-43112