CVE-2025-30399

high

Published 2025-06-11 · Modified 2025-06-12

CVSS v3

—

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2

—

VIR risk

8.0

Description

Important: .NET 9.0 security update

Predictions

Exploit likelihood

30%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2025-8817.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/9/ALSA-2025-8813.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2025-8815.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2025:8815

vendor Authored 2026-05-27

Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2025-8812.html

vendor Authored 2026-05-27

Vendor advisory: alma — https://bugzilla.redhat.com/2369701

vendor Authored 2026-05-27

Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2025:8812

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2025:8813

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2025:8817

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2025:8812

vendor Authored 2026-05-27

Vendor advisory: rocky — https://errata.rockylinux.org/RLSA-2025:8815

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2025:8817

vendor Authored 2026-05-27

Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2025:8813

OS impact

OS	Version	Status
rhel	9	fixed
rocky	8	fixed
rocky	9	fixed

Package impact

Ecosystem	Package	Vulnerable	Fixed
NuGet	Microsoft.NetCore.App.Runtime.linux-arm	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-arm64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-arm	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-arm64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-x64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-x64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.osx-arm64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.osx-x64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.win-arm	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.win-arm64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.win-x64	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.win-x86	`>=9.0.0,<9.0.6`	`9.0.6`
NuGet	Microsoft.NetCore.App.Runtime.linux-arm	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.linux-arm64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-arm	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-arm64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.linux-musl-x64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.linux-x64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.osx-arm64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.osx-x64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.win-arm	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.win-arm64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.win-x64	`>=8.0.0,<8.0.17`	`8.0.17`
NuGet	Microsoft.NetCore.App.Runtime.win-x86	`>=8.0.0,<8.0.17`	`8.0.17`

References

Verify integrity in audit chain (admin only). AS-IS.