Oracle Linux 9 : kernel (ELSA-2026-72623)

medium Nessus Plugin ID 351477

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-2026-72623 advisory.

- arm64: tlb: Flush walk cache when unsharing PMD tables (Rafael Aquini) [RHEL-259312] {CVE-2026-63875}
- perf: Reject exited events as group leaders (Anubhav Shelat) [RHEL-258817] {CVE-2026-74753}
- perf/core: Detach event groups during remove_on_exec (Anubhav Shelat) [RHEL-250504] {CVE-2026-64556}
- ext4: fix e4b bitmap inconsistency reports (Lukas Herbolt) [RHEL-225944] {CVE-2026-45942}
- crypto: af_alg - Cap AEAD AD length to 0x80000000 (CKI Backport Bot) [RHEL-259061] {CVE-2026-52972}
- fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() (Abhi Das) [RHEL-231391] {CVE-2026-53341}
- crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CKI Backport Bot) [RHEL-254308] {CVE-2026-80522}
- RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (Kamal Heib) [RHEL-230788] {CVE-2026-46325}
- RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CKI Backport Bot) [RHEL-232566] {CVE-2026-64102}

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-2026-72623.html

Plugin Details

Severity: Medium

ID: 351477

File Name: oraclelinux_ELSA-2026-72623.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.95

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-52972

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 9/29/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2026-45942, CVE-2026-46325, CVE-2026-52972, CVE-2026-53341, CVE-2026-63875, CVE-2026-64102, CVE-2026-64556, CVE-2026-74753, CVE-2026-80522