RockyLinux 8 : .NET 9.0 (RLSA-2026:41899)

critical Nessus Plugin ID 329177

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Synopsis

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

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:41899 advisory.

* dotnet: SocketsHttpHandler Http2Connection - HTTP/2 SETTINGS/PING ACK flood causing OOM (CVE-2026-50651)

* dotnet: .NET Core: Denial of Service via type confusion (CVE-2026-57108)

* ASP.NET Core: ASP.NET Core: Denial of Service via uncontrolled resource allocation (CVE-2026-56170)

* ASP.NET Core: ASP.NET Core: Privilege Escalation via Incorrect Authentication Algorithm (CVE-2026-47300)

* ASP.NET Core: ASP.NET Core: Privilege Elevation via Authentication Bypass (CVE-2026-47303)

* dotnet: .NET Security Feature Bypass Vulnerability (CVE-2026-47304)

* dotnet: .NET: Denial of Service vulnerability due to uncontrolled resource allocation (CVE-2026-47302)

* dotnet: .NET Framework: Privilege escalation via code injection (CVE-2026-50650)

* dotnet: .NET: Security feature bypass due to incorrect authorization (CVE-2026-50528)

* dotnet: .NET: Local code execution via deserialization of untrusted data (CVE-2026-50649)

* dotnet: .NET: Local tampering via improper link resolution (CVE-2026-50526)

* dotnet: .NET Framework: Local Code Execution via Protection Mechanism Failure (CVE-2026-50646)

* dotnet: .NET: Denial of Service due to uncontrolled resource allocation (CVE-2026-50525)

* dotnet: .NET Framework: Denial of Service via network-based buffer overflow (CVE-2026-50527)

* dotnet: .NET Framework: Remote Denial of Service due to uncontrolled resource allocation (CVE-2026-50648)

* .NET: .NET: Network Spoofing Vulnerability (CVE-2026-50659)

* dotnet: .NET Framework: Denial of Service via improper input validation (CVE-2026-50524)

Bug Fix(es) and Enhancement(s):

* Update .NET 9.0 to SDK 9.0.119 and Runtime 9.0.18 (JIRA:Rocky Linux-192469)

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: Critical

ID: 329177

File Name: rocky_linux_RLSA-2026-41899.nasl

Version: 1.3

Type: Local

Family: Rocky Linux Local Security Checks

Published: 7/23/2026

Updated: 7/27/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.14

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-47304

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:8, 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-debuginfo, 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: 7/23/2026

Vulnerability Publication Date: 7/14/2026

Reference Information

CVE: CVE-2026-47300, CVE-2026-47302, CVE-2026-47303, CVE-2026-47304, CVE-2026-50524, CVE-2026-50525, CVE-2026-50526, CVE-2026-50527, CVE-2026-50528, CVE-2026-50646, CVE-2026-50648, CVE-2026-50649, CVE-2026-50650, CVE-2026-50651, CVE-2026-50659, CVE-2026-56170, CVE-2026-57108

IAVA: 2026-A-0717, 2026-A-0718, 2026-A-0723, 2026-A-0726

Detections

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