Oracle Linux 10 : kernel (ELSA-2026-13566)

critical Nessus Plugin ID 312589

Synopsis

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

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-13566 advisory.

- crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption (Vladislav Dronov) [RHEL-172211] {CVE-2026-31431}
- crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (Vladislav Dronov) [RHEL-172211] {CVE-2026-23060}
- crypto: af_alg - limit RX SG extraction by receive buffer budget (Vladislav Dronov) [RHEL-172211] {CVE-2026-31677}
- crypto: algif_aead - Revert to operating out-of-place (Vladislav Dronov) [RHEL-172211] {CVE-2026-31431}
- net: bonding: fix use-after-free in bond_xmit_broadcast() (CKI Backport Bot) [RHEL-168071] {CVE-2026-31419}
- net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks (CKI Backport Bot) [RHEL-157330] {CVE-2026-23270}

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-2026-13566.html

Plugin Details

Severity: Critical

ID: 312589

File Name: oraclelinux_ELSA-2026-13566.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 5/6/2026

Updated: 5/7/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.4

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 8.7

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

CVSS Score Source: CVE-2026-31402

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-debug-devel-matched, p-cpe:/a:oracle:linux:kernel-uki-virt-addons, p-cpe:/a:oracle:linux:kernel-modules-extra-matched, p-cpe:/a:oracle:linux:rv, p-cpe:/a:oracle:linux:kernel-debug-modules-core, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:rtla, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-uki-virt, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:libperf, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-devel-matched, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-modules-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-debug-uki-virt, cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:10:1:baseos_patch

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: 5/5/2026

Vulnerability Publication Date: 3/18/2026

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

Exploitable With

Core Impact

Metasploit (Copy Fail AF_ALG + authencesn Page-Cache Write)

Reference Information

CVE: CVE-2026-23270, CVE-2026-31402, CVE-2026-31419, CVE-2026-31431