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Fencer Vulns
high 8.1

CVE-2024-38229 json

.NET and Visual Studio Remote Code Execution Vulnerability

published 2024-10-08 2 y ago modified 2026-09-08 2 mo ago also BIT-dotnet-2024-38229 , BIT-dotnet-sdk-2024-38229 , EUVD-2024-2987 , GHSA-7vw9-cfwx-9gx9

cvss
8.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

.NET and Visual Studio Remote Code Execution Vulnerability

Patch / fix

  • nuget Microsoft.AspNetCore.App.Runtime.linux-arm 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.linux-arm64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.linux-musl-x64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.linux-x64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.osx-arm64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.osx-x64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.win-arm 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.win-arm64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.win-x64 8.0.10, 9.0.0-rc.2.24474.3
  • nuget Microsoft.AspNetCore.App.Runtime.win-x86 8.0.10, 9.0.0-rc.2.24474.3
  • bitnami dotnet 8.0.10
  • bitnami dotnet-sdk 8.0.10
  • Microsoft .NET 8.0 8.0.10
  • Microsoft Microsoft Visual Studio 2022 version 17.10 17.10.8
  • Microsoft Microsoft Visual Studio 2022 version 17.11 17.11.5
  • Microsoft Microsoft Visual Studio 2022 version 17.6 17.6.20
  • Microsoft Microsoft Visual Studio 2022 version 17.8 17.8.15
  • dotnet8 Ubuntu 22.04 LTS 8.0.110-8.0.10-0ubuntu1~22.04.1
  • dotnet8 Ubuntu 24.04 LTS 8.0.110-8.0.10-0ubuntu1~24.04.1

ubuntu advisories UBUNTU-CVE-2024-38229

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • dotnet8.0 RHEL 9 8.0.110-1.el9_4
  • dotnet-host RHEL 9 8.0.10-1.el9_4
  • dotnet-sdk-8.0 RHEL 9 8.0.110-1.el9_4
  • dotnet-hostfxr-8.0 RHEL 9 8.0.10-1.el9_4
  • dotnet-runtime-8.0 RHEL 9 8.0.10-1.el9_4
  • dotnet-sdk-dbg-8.0 RHEL 9 8.0.110-1.el9_4
  • dotnet-templates-8.0 RHEL 9 8.0.110-1.el9_4
  • aspnetcore-runtime-8.0 RHEL 9 8.0.10-1.el9_4

red hat advisories RHSA-2024:7869RHSA-2024:7868

  • dotnet AlmaLinux 8 8.0.110-1.el8_10
  • dotnet-host AlmaLinux 8 8.0.10-1.el8_10
  • dotnet-sdk-8.0 AlmaLinux 8 8.0.110-1.el8_10
  • dotnet-hostfxr-8.0 AlmaLinux 8 8.0.10-1.el8_10
  • dotnet-runtime-8.0 AlmaLinux 8 8.0.10-1.el8_10
  • dotnet-sdk-dbg-8.0 AlmaLinux 8 8.0.110-1.el8_10
  • dotnet-templates-8.0 AlmaLinux 8 8.0.110-1.el8_10
  • aspnetcore-runtime-8.0 AlmaLinux 8 8.0.10-1.el8_10

almalinux advisories ALSA-2024:7868ALSA-2024:7869

  • dotnet8.0 Rocky Linux 9 8.0.110-1.el9_4
  • dotnet8.0 Rocky Linux 8 8.0.110-1.el8_10

rocky linux advisories RLSA-2024:7869RLSA-2024:7868

  • dotnet8-runtime Alpine 3.24, Alpine 3.23, Alpine 3.22 +2 more 8.0.10-r0

alpine advisories ALPINE-CVE-2024-38229

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-38229 updated cvss 8.1

dotnet: kestrel: closing an HTTP/3 stream can cause a race condition and lead to remote code execution

  • Red Hat Enterprise Linux 8 dotnet, dotnet6.0, dotnet-host, dotnet-sdk-6.0, dotnet-hostfxr-6.0, dotnet-runtime-6.0, +7 more Red Hat Enterprise Linux 9 dotnet6.0, dotnet7.0, dotnet-host, dotnet-sdk-6.0, dotnet-sdk-7.0, dotnet-hostfxr-6.0, +16 more
    affected: workaround, no fix planned “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.”
  • Red Hat Enterprise Linux AppStream (v. 8) dotnet 8.0.110-1.el8_10, dotnet8.0 8.0.110-1.el8_10, dotnet-host 8.0.10-1.el8_10, dotnet-sdk-8.0 8.0.110-1.el8_10, dotnet-hostfxr-8.0 8.0.10-1.el8_10, dotnet-runtime-8.0 8.0.10-1.el8_10, +9 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7868
  • Red Hat Enterprise Linux AppStream (v. 9) dotnet8.0 8.0.110-1.el9_4, dotnet-host 8.0.10-1.el9_4, dotnet-sdk-8.0 8.0.110-1.el9_4, dotnet-hostfxr-8.0 8.0.10-1.el9_4, dotnet-runtime-8.0 8.0.10-1.el9_4, dotnet-sdk-dbg-8.0 8.0.110-1.el9_4, +8 more
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7869
  • Red Hat Enterprise Linux CRB (v. 8) dotnet-sdk-8.0-source-built-artifacts 8.0.110-1.el8_10
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7868
  • Red Hat Enterprise Linux CRB (v. 9) dotnet-sdk-8.0-source-built-artifacts 8.0.110-1.el9_4
    fixed: vendor fix “Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.” RHSA-2024:7869
  • Red Hat Enterprise Linux 9 dotnet9.0, dotnet-sdk-9.0, dotnet-hostfxr-9.0, dotnet-runtime-9.0, dotnet-sdk-aot-9.0, dotnet-sdk-dbg-9.0, +8 more Red Hat Enterprise Linux 10 dotnet8.0, dotnet9.0
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
nuget Microsoft.AspNetCore.App.Runtime.linux-arm
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.linux-arm64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.linux-musl-x64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.linux-x64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.osx-arm64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.osx-x64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.win-arm
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.win-arm64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.win-x64
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
nuget Microsoft.AspNetCore.App.Runtime.win-x86
>=9.0.0-preview.1.24081.5, <9.0.0-rc.2.24474.3
>=8.0.0, <8.0.10
9.0.0-rc.2.24474.3
8.0.10
bitnami dotnet
>=8.0.0, <8.0.10
8.0.10
bitnami dotnet-sdk
>=8.0.0, <8.0.10
8.0.10

Affected products

  • Microsoft .NET 8.0
  • Microsoft Microsoft Visual Studio 2022 version 17.10
  • Microsoft Microsoft Visual Studio 2022 version 17.11
  • Microsoft Microsoft Visual Studio 2022 version 17.6
  • Microsoft Microsoft Visual Studio 2022 version 17.8

Classification

Weakness
  • CWE-416 Use After Free
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.