Linux · 
Amazon Linux · Security advisory · October 23, 2025
Amazon Linux · Security advisory · October 23, 2025ALAS2023-2025-1231: Security update for 23 packages
ALAS2023-2025-1231, released October 23, 2025, fixes 3 CVEs across 23 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
9.9
Base score, 0 to 10
Highest EPSS
0.6716
99th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| aspnetcore-runtime-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| aspnetcore-runtime-dbg-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| aspnetcore-targeting-pack-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-apphost-pack-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-apphost-pack-9.0-debuginfo | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-host | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-host-debuginfo | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-hostfxr-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-hostfxr-9.0-debuginfo | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-runtime-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-runtime-9.0-debuginfo | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-runtime-dbg-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-sdk-9.0 | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-sdk-9.0-debuginfo | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-sdk-9.0-source-built-artifacts | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-sdk-aot-9.0 | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-sdk-aot-9.0-debuginfo | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-sdk-dbg-9.0 | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet-targeting-pack-9.0 | amzn 2023 | 9.0.10-1.amzn2023.0.1 |
| dotnet-templates-9.0 | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| dotnet9.0-debugsource | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
| netstandard-targeting-pack-2.1 | amzn 2023 | 9.0.111-1.amzn2023.0.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-55315 | ASP.NET Security Feature Bypass Vulnerability | 9.9 | 0.6716 | Exploitation Less Likely |
| High | CVE-2025-55248 | .NET, .NET Framework, and Visual Studio Information Disclosure Vulnerability | 8.5 | 0.0074 | Exploitation Less Likely |
| High | CVE-2025-55247 | .NET Elevation of Privilege Vulnerability | 8.5 | 0.0062 | Exploitation Less Likely |
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