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RockyLinux 9 : .NET 8.0 (RLSA-2026:41894)

medium Nessus Plugin ID 329175

Synopsis

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

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:41894 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 8.0 to SDK 8.0.129 and Runtime 8.0.29 [rhel-9.8.z] (JIRA:Rocky Linux-192467)

 * dotnet8.0: Reduce time to detect hanging builds during .NET RPM builds (c9s) [rhel-9.8.z] (JIRA:Rocky Linux-192337)

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.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2499217

https://bugzilla.redhat.com/show_bug.cgi?id=2500109

https://bugzilla.redhat.com/show_bug.cgi?id=2500189

https://bugzilla.redhat.com/show_bug.cgi?id=2500492

https://bugzilla.redhat.com/show_bug.cgi?id=2500502

https://bugzilla.redhat.com/show_bug.cgi?id=2500509

https://bugzilla.redhat.com/show_bug.cgi?id=2500515

https://bugzilla.redhat.com/show_bug.cgi?id=2500556

https://bugzilla.redhat.com/show_bug.cgi?id=2500562

https://bugzilla.redhat.com/show_bug.cgi?id=2500563

https://bugzilla.redhat.com/show_bug.cgi?id=2500565

https://bugzilla.redhat.com/show_bug.cgi?id=2500577

https://bugzilla.redhat.com/show_bug.cgi?id=2500580

https://bugzilla.redhat.com/show_bug.cgi?id=2500581

https://bugzilla.redhat.com/show_bug.cgi?id=2500587

https://bugzilla.redhat.com/show_bug.cgi?id=2500589

https://bugzilla.redhat.com/show_bug.cgi?id=2500593

https://errata.rockylinux.org/RLSA-2026:41894

Plugin Details

Severity: Medium

ID: 329175

File Name: rocky_linux_RLSA-2026-41894.nasl

Version: 1.1

Type: Local

Published: 7/23/2026

Updated: 7/23/2026

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: 58.12

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2026-50526

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:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:aspnetcore-runtime-8.0, p-cpe:/a:rocky:linux:aspnetcore-runtime-dbg-8.0, p-cpe:/a:rocky:linux:aspnetcore-targeting-pack-8.0, p-cpe:/a:rocky:linux:dotnet-apphost-pack-8.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-apphost-pack-8.0, p-cpe:/a:rocky:linux:dotnet-hostfxr-8.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-hostfxr-8.0, p-cpe:/a:rocky:linux:dotnet-runtime-8.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-runtime-8.0, p-cpe:/a:rocky:linux:dotnet-runtime-dbg-8.0, p-cpe:/a:rocky:linux:dotnet-sdk-8.0-debuginfo, p-cpe:/a:rocky:linux:dotnet-sdk-8.0-source-built-artifacts, p-cpe:/a:rocky:linux:dotnet-sdk-8.0, p-cpe:/a:rocky:linux:dotnet-sdk-dbg-8.0, p-cpe:/a:rocky:linux:dotnet-targeting-pack-8.0, p-cpe:/a:rocky:linux:dotnet-templates-8.0, p-cpe:/a:rocky:linux:dotnet8.0-debuginfo, p-cpe:/a:rocky:linux:dotnet8.0-debugsource

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-0726