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Oracle Linux 9 : ELSA-2026-66180-0: / kernel (ELSA-2026-661800)

critical Nessus Plugin ID 344789

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-2026-661800 advisory.

 - tcp: call sk_data_ready() after listener migration (Felix Maurer) [RHEL-232236] {CVE-2026-46015}
 - flow_dissector: do not dissect PPPoE PFC frames (Felix Maurer) [RHEL-232633] {CVE-2026-46306}
 - inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (Felix Maurer) [RHEL-226126] {CVE-2026-46266}
 - ipv6: mcast: Fix use-after-free when processing MLD queries (Felix Maurer) [RHEL-226071] {CVE-2026-53275}
 - ipv6: prevent possible UaF in addrconf_permanent_addr() (Felix Maurer) [RHEL-225592] {CVE-2026-43339}
 - ipv4: account for fraggap on the paged allocation path (Felix Maurer) [RHEL-212891] {CVE-2026-53366}
 - net: guard timestamp cmsgs to real error queue skbs (Felix Maurer) [RHEL-225858] {CVE-2026-53223}
 - rhashtable: clear stale iter->p on table restart (CKI Backport Bot) [RHEL-248451] {CVE-2026-64563}
 - net: bridge: stop fast-leave after deleting a port group (CKI Backport Bot) [RHEL-246930] {CVE-2026-74480}
 - nvmet-rdma: handle inline data with a nonzero offset (CKI Backport Bot) [RHEL-244971] {CVE-2026-72129}
 - Revert 'net/smc: Introduce TCP ULP support' (Jan Polensky) [RHEL-227559] {CVE-2026-46330}
 - smb: client: fix double-free in SMB2_close() replay (CKI Backport Bot) [RHEL-240049] {CVE-2026-64597}
 - crypto: pcrypt - Fix handling of MAY_BACKLOG requests (Ricardo Robaina) [RHEL-226689] {CVE-2026-43493}
 - net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer (CKI Backport Bot) [RHEL-230988] {CVE-2026-64034}
 - scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CKI Backport Bot) [RHEL-225785] {CVE-2026-46149}
 - netfilter: conntrack: remove sprintf usage (CKI Backport Bot) [RHEL-224454] {CVE-2026-53002}
 - KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CKI Backport Bot) [RHEL-189457] {CVE-2026-43133}

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-2026-66180-0.html

Plugin Details

Severity: Critical

ID: 344789

File Name: oraclelinux_ELSA-2026-661800.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/11/2026

Updated: 9/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.37

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-2026-74480

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

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2026-43133, CVE-2026-43339, CVE-2026-43493, CVE-2026-46015, CVE-2026-46149, CVE-2026-46266, CVE-2026-46306, CVE-2026-46330, CVE-2026-53002, CVE-2026-53223, CVE-2026-53275, CVE-2026-53366, CVE-2026-64034, CVE-2026-64563, CVE-2026-64597, CVE-2026-72129, CVE-2026-74480