RockyLinux 10 : .NET 9.0 (RLSA-2026:54590)

high Nessus Plugin ID 335423

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:54590 advisory.

* .NET: .NET Core: .NET Security Feature Bypass Vulnerability (CVE-2026-62899)

* .NET: .NET Information Disclosure Vulnerability (CVE-2026-62900)

* .NET: .NET Denial of Service Vulnerability (CVE-2026-62901)

* .NET: .NET Elevation of Privilege Vulnerability (CVE-2026-62909)

Bug Fix(es) and Enhancement(s):

* Update .NET 9.0 to SDK 9.0.120 and Runtime 9.0.19 [rhel-10.2.z] (JIRA:Rocky Linux-235477)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

Plugin Details

Severity: High

ID: 335423

File Name: rocky_linux_RLSA-2026-54590.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 8/14/2026

Updated: 8/14/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.81

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-62909

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:H/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:rocky:linux:10, p-cpe:/a:rocky:linux:aspnetcore-runtime-9.0, p-cpe:/a:rocky:linux:aspnetcore-runtime-dbg-9.0, p-cpe:/a:rocky:linux:aspnetcore-targeting-pack-9.0, p-cpe:/a:rocky:linux:dotnet-apphost-pack-9.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-apphost-pack-9.0, p-cpe:/a:rocky:linux:dotnet-hostfxr-9.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-hostfxr-9.0, p-cpe:/a:rocky:linux:dotnet-runtime-9.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-runtime-9.0, p-cpe:/a:rocky:linux:dotnet-runtime-dbg-9.0, p-cpe:/a:rocky:linux:dotnet-sdk-9.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-sdk-9.0-source-built-artifacts, p-cpe:/a:rocky:linux:dotnet-sdk-9.0, p-cpe:/a:rocky:linux:dotnet-sdk-aot-9.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-sdk-aot-9.0, p-cpe:/a:rocky:linux:dotnet-sdk-dbg-9.0, p-cpe:/a:rocky:linux:dotnet-targeting-pack-9.0, p-cpe:/a:rocky:linux:dotnet-templates-9.0, p-cpe:/a:rocky:linux:dotnet9.0-debugsource, p-cpe:/a:rocky:linux:netstandard-targeting-pack-2.1

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/14/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-62899, CVE-2026-62900, CVE-2026-62901, CVE-2026-62909

IAVA: 2026-A-0833

Detections

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