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Oracle Linux 8 : kernel (ELSA-2026-89816)

high Nessus Plugin ID 372410

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-2026-89816 advisory.

 - KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CKI Backport Bot) [RHEL-277607] {CVE-2026-74515}
 - selinux: avoid sk_socket dereference in selinux_sctp_bind_connect() (Ondrej Mosnacek) [RHEL-243220] {CVE-2026-72242}
 - ipv4: validate checksum_start before completing checksum (Davide Caratti) [RHEL-280584] {CVE-2026-99999}
 - smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (Jorge San Emeterio Villalain) [RHEL-271260] {CVE-2026-89638}
 - mptcp: options: reset DSS fields in case of unexpected size (Prasenjit Mukherjee) [RHEL-250583] {CVE-2026-80586}
 - net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CKI Backport Bot) [RHEL-270897] {CVE-2026-81003}
 - net/packet: avoid fanout hook re-registration after unregister (Jamie Bainbridge) [RHEL-246978] {CVE-2026-68338}
 - net: gro: fix double aggregation of flush-marked skbs (Jamie Bainbridge) [RHEL-242641] {CVE-2026-68136}
 - tcp: restrict SO_ATTACH_FILTER to priv users (Jamie Bainbridge) [RHEL-257722] {CVE-2026-53236}
 - fuse: re-lock request before replacing page cache folio (Miklos Szeredi) [RHEL-226080] {CVE-2026-53388}
 - fuse: release pipe buf after last use (Miklos Szeredi) [RHEL-226080] {CVE-2026-53388}
 - fuse: fix page stealing (Miklos Szeredi) [RHEL-226080] {CVE-2026-53388}
 - ipvs: reload ip header after head reallocation (Phil Sutter) [RHEL-263780] {CVE-2026-68476}
 - net/sched: serialize qdisc_rtab_list against concurrent get/put (CKI Backport Bot) [RHEL-266389] {CVE-2026-68138}
 - net/iucv: fix use-after-free of a severed iucv_path (CKI Backport Bot) [RHEL-260491] {CVE-2026-68140}
 - writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() (CKI Backport Bot) [RHEL-260517] {CVE-2026-64378}
 - usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CKI Backport Bot) [RHEL-258546] {CVE-2026-80824}
 - vfio/pci: clear vdev->msi_perm after freeing it on init failure (Rodolfo Vick) [RHEL-270905] {CVE-2026-89777}
 - ALSA: seq: close a re-opened queue timer in the destructor (CKI Backport Bot) [RHEL-263644] {CVE-2026-68202}
 - inet: frags: strip GSO state from fragments before reassembly (Jamie Bainbridge) [RHEL-254200] {CVE-2026-80590}
 - ipv4: fib: free fib_alias with kfree_rcu() on insert error path (Jamie Bainbridge) [RHEL-233134] {CVE-2026-64572}
 - ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (Jamie Bainbridge) [RHEL-225459] {CVE-2026-64114}
 - xfs: bounds-check buffer log item's dirty bitmap (CKI Backport Bot) [RHEL-253365] {CVE-2026-80536}
 - fuse: re-lock request before returning from fuse_ref_folio() (CKI Backport Bot) [RHEL-234242] {CVE-2026-64266}
 - smb: client: reject a tree connect response whose byte count is too small (CKI Backport Bot) [RHEL-271288] {CVE-2026-89631}
 - netfilter: flowtable: hold reference on ct until flow is released (CKI Backport Bot) [RHEL-280060] {CVE-2026-98320}
 - perf: Fix addr_filter_ranges lifetime (Vratislav Bendel) [RHEL-271853] {CVE-2026-93817}
 - USB: serial: io_ti: fix heap overflow in build_i2c_fw_hdr() (Desnes Nunes) [RHEL-191034] {CVE-2026-53195}
 - USB: serial: io_ti: fix heap overflow in get_manuf_info() (Desnes Nunes) [RHEL-191034] {CVE-2026-53196}
 - gfs2: Fix slab-use-after-free in gfs2_qd_dealloc (Andreas Gruenbacher) [RHEL-129363] {CVE-2023-52760}
 - netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state (CKI Backport Bot) [RHEL-271657] {CVE-2026-93288}
 - sctp: validate cookie AUTH state before use (Xin Long) [RHEL-254282] {CVE-2026-74752}
 - sctp: stop processing a packet once its association is deleted (Xin Long) [RHEL-263292] {CVE-2026-89479}
 - sctp: keep chunk->transport in step with the list it is queued on (Xin Long) [RHEL-254357] {CVE-2026-74588}

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-2026-89816.html

Plugin Details

Severity: High

ID: 372410

File Name: oraclelinux_ELSA-2026-89816.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/27/2026

Updated: 10/27/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.04

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-2026-74515

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/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/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 10/26/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-74515