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    RedHat: RHSA-2021-0096:01 Important: .NET 5.0 on Red Hat Enterprise Linux

    Date 13 Jan 2021
    186
    Posted By LinuxSecurity Advisories
    An update for rh-dotnet50-dotnet is now available for .NET on Red Hat Enterprise Linux. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score,
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    =====================================================================
                       Red Hat Security Advisory
    
    Synopsis:          Important: .NET 5.0 on Red Hat Enterprise Linux security and bugfix update
    Advisory ID:       RHSA-2021:0096-01
    Product:           .NET Core on Red Hat Enterprise Linux
    Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0096
    Issue date:        2021-01-13
    CVE Names:         CVE-2021-1723 
    =====================================================================
    
    1. Summary:
    
    An update for rh-dotnet50-dotnet is now available for .NET on Red Hat
    Enterprise Linux.
    
    Red Hat Product Security has rated this update as having a security impact
    of Important. A Common Vulnerability Scoring System (CVSS) base score,
    which gives a detailed severity rating, is available for each vulnerability
    from the CVE link(s) in the References section.
    
    2. Relevant releases/architectures:
    
    .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
    .NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64
    .NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64
    
    3. Description:
    
    .NET is a managed-software framework. It implements a subset of the .NET
    framework APIs and several new APIs, and it includes a CLR implementation.
    
    New versions of .NET that address a security vulnerability are now
    available. The updated versions are .NET SDK 5.0.102 and .NET Runtime
    5.0.2.
    
    Security Fix(es):
    
    * dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock
    when using HTTP2 (CVE-2021-1723)
    
    For more details about the security issue(s), including the impact, a CVSS
    score, acknowledgments, and other related information, refer to the CVE
    page(s) listed in the References section.
    
    4. Solution:
    
    For details on how to apply this update, which includes the changes
    described in this advisory, refer to:
    
    https://access.redhat.com/articles/11258
    
    5. Bugs fixed (https://bugzilla.redhat.com/):
    
    1914258 - CVE-2021-1723 dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock when using HTTP2
    
    6. Package List:
    
    .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):
    
    Source:
    rh-dotnet50-dotnet-5.0.102-1.el7_9.src.rpm
    
    x86_64:
    rh-dotnet50-aspnetcore-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-apphost-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-debuginfo-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-host-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-hostfxr-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-sdk-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-templates-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-netstandard-targeting-pack-2.1-5.0.102-1.el7_9.x86_64.rpm
    
    .NET Core on Red Hat Enterprise Linux Server (v. 7):
    
    Source:
    rh-dotnet50-dotnet-5.0.102-1.el7_9.src.rpm
    
    x86_64:
    rh-dotnet50-aspnetcore-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-apphost-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-debuginfo-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-host-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-hostfxr-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-sdk-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-templates-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-netstandard-targeting-pack-2.1-5.0.102-1.el7_9.x86_64.rpm
    
    .NET Core on Red Hat Enterprise Linux Workstation (v. 7):
    
    Source:
    rh-dotnet50-dotnet-5.0.102-1.el7_9.src.rpm
    
    x86_64:
    rh-dotnet50-aspnetcore-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-aspnetcore-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-apphost-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-debuginfo-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-host-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-hostfxr-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-runtime-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-sdk-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-targeting-pack-5.0-5.0.2-1.el7_9.x86_64.rpm
    rh-dotnet50-dotnet-templates-5.0-5.0.102-1.el7_9.x86_64.rpm
    rh-dotnet50-netstandard-targeting-pack-2.1-5.0.102-1.el7_9.x86_64.rpm
    
    These packages are GPG signed by Red Hat for security.  Our key and
    details on how to verify the signature are available from
    https://access.redhat.com/security/team/key/
    
    7. References:
    
    https://access.redhat.com/security/cve/CVE-2021-1723
    https://access.redhat.com/security/updates/classification/#important
    
    8. Contact:
    
    The Red Hat security contact is . More contact
    details at https://access.redhat.com/security/team/contact/
    
    Copyright 2021 Red Hat, Inc.
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