Detections
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Oracle Linux 9 : kernel (ELSA-2026-83156)

critical Nessus Plugin ID 366665

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-2026-83156 advisory.

 - net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
 - net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
 - net/smc: fix use-after-free of the LLC qentry in smc_llc_srv_add_link() (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
 - KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (Mohammadfaiz Bawa) [RHEL-243814] {CVE-2026-72288}
 - SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry (Olga Kornievskaia) [RHEL-275058] {CVE-2026-93207}
 - svcrdma: Reject Write/Reply chunks with segcount 0 (Olga Kornievskaia) [RHEL-275076] {CVE-2026-93228}
 - NFSD: Prevent client use-after-free during blocked-lock reaping (Olga Kornievskaia) [RHEL-270929] {CVE-2026-90036}
 - NFSD: Prevent client use-after-free during delegation revoke (Olga Kornievskaia) [RHEL-270929] {CVE-2026-89659}
 - svcrdma: Validate Read chunk positions before reconstruction (Olga Kornievskaia) [RHEL-271453] {CVE-2026-89526}
 - udp: fix potential use-after-free in tunnel segmentation (Antoine Tenart) [RHEL-268122] {CVE-2026-74705}
 - net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CKI Backport Bot) [RHEL-270908] {CVE-2026-81003}
 - wifi: cfg80211: use wiphy work for socket owner autodisconnect (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
 - wifi: cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
 - wifi: cfg80211: cancel pmsr_free_wk in cfg80211_pmsr_wdev_down (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
 - wifi: mac80211: defer link RX stats percpu free to RCU (Jose Ignacio Tornos Martinez) [RHEL-263788] {CVE-2026-68409}
 - wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (Jose Ignacio Tornos Martinez) [RHEL-259560] {CVE-2026-64030}
 - ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CKI Backport Bot) [RHEL-261686] {CVE-2026-72262}
 - net/iucv: fix use-after-free of a severed iucv_path (CKI Backport Bot) [RHEL-260511] {CVE-2026-68140}
 - netfilter: nft_lookup: fix catchall element handling with inverted lookups (CKI Backport Bot) [RHEL-261293] {CVE-2026-72320}
 - ALSA: usx2y: bound the hwdep mmap fault offset (CKI Backport Bot) [RHEL-256448] {CVE-2026-74641}
 - net/sched: act_tunnel_key: Defer dst_release to RCU callback (CKI Backport Bot) [RHEL-237219] {CVE-2026-68377}
 - net/sched: act_ct: Only release RCU read lock after ct_ft (CKI Backport Bot) [RHEL-229654] {CVE-2026-46319}

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-2026-83156.html

Plugin Details

Severity: Critical

ID: 366665

File Name: oraclelinux_ELSA-2026-83156.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/16/2026

Updated: 10/16/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.3

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-2026-93207

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

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

CVSS Score Source: CVE-2026-74705

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: 10/15/2026

Vulnerability Publication Date: 6/3/2026

Reference Information

CVE: CVE-2026-46319, CVE-2026-53011, CVE-2026-64030, CVE-2026-68140, CVE-2026-68377, CVE-2026-68404, CVE-2026-68409, CVE-2026-72262, CVE-2026-72288, CVE-2026-72320, CVE-2026-74641, CVE-2026-74705, CVE-2026-80985, CVE-2026-81003, CVE-2026-89526, CVE-2026-90036, CVE-2026-93207, CVE-2026-93228