Detections
Analytics

Oracle Linux 8 : kernel (ELSA-2026-49214)

medium Nessus Plugin ID 332097

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-2026-49214 advisory.

 - net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CKI Backport Bot) [RHEL-213300] {CVE-2026-64530}
 - netfilter: ctnetlink: ensure safe access to master conntrack (Florian Westphal) [RHEL-173877] {CVE-2026-43116}
 - rtnetlink: add missing netlink_ns_capable() check for peer netns (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnetlink: Try the outer netns attribute in rtnl_get_peer_net(). (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnetlink: fix double call of rtnl_link_get_net_ifla() (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - vxcan: Set VXCAN_INFO_PEER to vxcan_link_ops.peer_type. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - veth: Set VETH_INFO_PEER to veth_link_ops.peer_type. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnetlink: Add peer_type in struct rtnl_link_ops. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - net: validate veth and vxcan peer ifindexes (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnl: move rtnl_newlink_create() (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnl: split __rtnl_newlink() into two functions (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
 - rtnl: allocate more attr tables on the heap (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}

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-2026-49214.html

Plugin Details

Severity: Medium

ID: 332097

File Name: oraclelinux_ELSA-2026-49214.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/5/2026

Updated: 8/5/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.44

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-31692

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 8/3/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-31692, CVE-2026-43116, CVE-2026-46150, CVE-2026-64530