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Ubuntu 21.04: Serious Security Breach Detected on 2021-05b5deaf64

fedora
Calendar Grey May 17, 2021
Dist Fedora Esm H88
In May 2021, Fedora issued a vital security update for .NET Core 3.1 addressing a privilege escalation vulnerability. Users should update their systems without delay to prevent exploitation
This is the May 2021 release for .NET Core 3.1

Summary

.NET Core is a fast, lightweight and modular platform for creating

cross platform applications that work on Linux, macOS and Windows.

It particularly focuses on creating console applications, web

applications and micro-services.

.NET Core contains a runtime conforming to .NET Standards a set of

framework libraries, an SDK containing compilers and a 'dotnet'

application to drive everything.

This is the May 2021 release for .NET Core 3.1. Release Notes are

here:https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.15/3.1.15.md

This includes a fix for CVE-2021-31204: NET Core Elevation of Privilege

Vulnerability Please note this additional change needed to benefit from the CVE

fix: > Additionally, if you've deployed self-contained applications targeting

any of the impacted versions, these applications are also vulnerable and must be

recompiled and redeployed.

* Wed May 12 2021 Omair Majid - 3.1.115-1

- Update to .NET SDK 3.1.115 and Runtime 3.1.15

su -c 'dnf upgrade --advisory FEDORA-2021-13e3bd248f' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

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Change Log

References

Update Instructions

Severity
important
Lowest
Low
Medium
High
Critical

Product: Fedora 34
Version: 3.1.115
Release: 1.fc34
Summary: .NET Core Runtime and SDK

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