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Oracle Linux 9 : kernel (ELSA-2026-36018)

high Nessus Plugin ID 325873

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Synopsis

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

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-36018 advisory.

 - smb/client: fix out-of-bounds read in smb2_compound_op() (Paulo Alcantara) [RHEL-180041] {CVE-2026-46155}
 - xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (Sabrina Dubroca) [RHEL-180176] {CVE-2026-46116}
 - net: gro: don't merge zcopy skbs (Sabrina Dubroca) [RHEL-177878] {CVE-2026-46323}
 - net/mana: Null service_wq on setup error to prevent double destroy (CKI Backport Bot) [RHEL-180271] {CVE-2026-43276}
 - net: mana: Fix double destroy_workqueue on service rescan PCI path (CKI Backport Bot) [RHEL-180271] {CVE-2026-43276}
 - fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath (CKI Backport Bot) [RHEL-189503] {CVE-2026-43112}
 - Enable workaround for ARM64 ERRATUM 4118414 (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: cputype: Add NVIDIA Olympus definitions (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on Microsoft Azure Cobalt 100 CPU (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on NVIDIA Olympus CPU (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: errata: Mitigate TLBI errata on various Arm CPUs (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: errata: Apply workarounds for Neoverse-V3AE (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: cputype: Add Neoverse-V3AE definitions (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: cputype: Add C1-Ultra definitions (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: cputype: Add C1-Premium definitions (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - arm64: cputype: Add C1-Pro definitions (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - Clean up documentation mess left by previous backport (Mark Salter) [RHEL-183625] {CVE-2025-10263}
 - KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry (CKI Backport Bot) [RHEL-183969] {CVE-2026-46316}
 - netfilter: nft_inner: Fix IPv6 inner_thoff desync (CKI Backport Bot) [RHEL-181929] {CVE-2026-46244}
 - procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CKI Backport Bot) [RHEL-181907] {CVE-2026-46259}
 - drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CKI Backport Bot) [RHEL-179909] {CVE-2026-46209}
 - sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CKI Backport Bot) [RHEL-179865] {CVE-2026-46227}

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-2026-36018.html

Plugin Details

Severity: High

ID: 325873

File Name: oraclelinux_ELSA-2026-36018.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/9/2026

Updated: 7/9/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

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-2026-43276

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:rtla, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:rv, p-cpe:/a:oracle:linux:kernel-debug-devel, cpe:/o:oracle:linux:9:8:baseos_patch, p-cpe:/a:oracle:linux:kernel-headers, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-debug-uki-virt, p-cpe:/a:oracle:linux:kernel-debug-modules-core, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-debug-devel-matched, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-devel-matched, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-modules-core, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-uki-virt, p-cpe:/a:oracle:linux:libperf, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-uki-virt-addons, 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: 7/8/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2025-10263, CVE-2026-43112, CVE-2026-43276, CVE-2026-46116, CVE-2026-46155, CVE-2026-46209, CVE-2026-46227, CVE-2026-46244, CVE-2026-46259, CVE-2026-46316, CVE-2026-46323