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Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50260)

high Nessus Plugin ID 314333

Synopsis

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

Description

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50260 advisory.

 - rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (Hyunwoo Kim) [Orabug: 39344513] {CVE-2026-43500}
 - xfrm: esp: avoid in-place decrypt on shared skb frags (Kuan-Ting Chen) [Orabug: 39344513] {CVE-2026-43284}
 - x86/CPU/AMD: Add a fix for AMD-SB-7052 (Prathyushi Nangia) [Orabug: 39344560] {CVE-2025-54518}
 - crypto: algif_aead - Revert to operating out-of-place (Herbert Xu) [Orabug: 39291972] {CVE-2026-31431}
 - ipv6: use RCU in ip6_xmit() (Eric Dumazet) [Orabug: 38649060] {CVE-2025-40135}
 - dst: fix races in rt6_uncached_list_del() and rt_del_uncached_list() (Eric Dumazet) [Orabug: 38887740] {CVE-2026-23004}
 - bpf: Fix unsound scalar forking in maybe_fork_scalars() for BPF_OR (Daniel Wade) [Orabug: 39198231] {CVE-2026-31413}
 - ACPI: processor: Fix previous acpi_processor_errata_piix4() fix (Rafael J. Wysocki) [Orabug: 39198208] {CVE-2026-23443}
 - xfs: check for deleted cursors when revalidating two btrees (Darrick J. Wong) [Orabug: 39103129] {CVE-2026-23249}
 - xfs: check return value of xchk_scrub_create_subord (Darrick J. Wong) [Orabug: 39103131] {CVE-2026-23250}
 - xfs: only call xf{array,blob}_destroy if we have a valid pointer (Darrick J. Wong) [Orabug: 39103133] {CVE-2026-23251}
 - tls: Fix race condition in tls_sw_cancel_work_tx() (Hyunwoo Kim) [Orabug: 39073883] {CVE-2026-23240}
 - macvlan: observe an RCU grace period in macvlan_common_newlink() error path (Eric Dumazet) [Orabug:
 39110677] {CVE-2026-23273}
 - net: atm: fix crash due to unvalidated vcc pointer in sigd_send() (Jiayuan Chen) [Orabug: 39188476] {CVE-2026-31411}
 - RDMA/umad: Reject negative data_len in ib_umad_write (Yunje Shin) [Orabug: 39103108] {CVE-2026-23243}

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-2026-50260.html

Plugin Details

Severity: High

ID: 314333

File Name: oraclelinux_ELSA-2026-50260.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 5/12/2026

Updated: 5/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-43500

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 8.6

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-31431

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek64k-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-modules-core, p-cpe:/a:oracle:linux:kernel-uek-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-core, p-cpe:/a:oracle:linux:kernel-uek64k, p-cpe:/a:oracle:linux:kernel-uek64k-modules, p-cpe:/a:oracle:linux:kernel-uek64k-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-modules-deprecated, p-cpe:/a:oracle:linux:kernel-uek-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek64k-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek-debug-core, p-cpe:/a:oracle:linux:kernel-uek-modules-extra-netfilter, p-cpe:/a:oracle:linux:kernel-uek-tools, p-cpe:/a:oracle:linux:kernel-uek-debug-modules, cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:kernel-uek64k-devel, p-cpe:/a:oracle:linux:kernel-uek-modules-desktop, p-cpe:/a:oracle:linux:kernel-uek64k-modules-wireless, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-usb, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-core, p-cpe:/a:oracle:linux:kernel-uek64k-modules-core, p-cpe:/a:oracle:linux:kernel-uek-core, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-deprecated

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/10/2026

Vulnerability Publication Date: 11/12/2025

CISA Known Exploited Vulnerability Due Dates: 5/15/2026

Reference Information

CVE: CVE-2025-40135, CVE-2025-54518, CVE-2026-23004, CVE-2026-23240, CVE-2026-23243, CVE-2026-23249, CVE-2026-23250, CVE-2026-23251, CVE-2026-23273, CVE-2026-23443, CVE-2026-31411, CVE-2026-31413, CVE-2026-31431, CVE-2026-43284, CVE-2026-43500

IAVA: 2026-A-0428