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Public proof of conceptFix available

CVE-2022-46770

A public proof of concept exists; no exploitation attested.

  • Published2022-12-07
  • Fixed in0.8.4
  • WeaknessCWE-835

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

qubes-mirage-firewall (aka Mirage firewall for QubesOS) 0.8.x through 0.8.3 allows guest OS users to cause a denial of service (CPU consumption and loss of forwarding) via a crafted multicast UDP packet (IP address range of 224.0.0.0 through 239.255.255.255).

Timeline

dates in UTC
  1. 2023-03-31Exploit-DB entryExploit-DB

Versions per branch

NVD · OSV
Linuxfoundation mirage firewall
BranchAffectedFixed in
0.8≥ 0.8.0, < 0.8.40.8.4
solo5
BranchAffectedFixed in
0.x≥ 0.6.6, < 0.7.50.7.5

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linuxfoundation mirage firewall to 0.8.4

Advisories and patches

Detection

read 2026-11-04 22:56 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-51157
Exploit-DB
Proof of concept
Metasploit modules
1 moduleauxiliary/dos/mirageos/qubes_mirage_firewall_dosrank: normalModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2022-12-07
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6vx5-8rxp-jw26

Frequently asked questions

What is CVE-2022-46770?

qubes-mirage-firewall (aka Mirage firewall for QubesOS) 0.8.x through 0.8.3 allows guest OS users to cause a denial of service (CPU consumption and loss of forwarding) via a crafted multicast UDP packet (IP address range of 224.0.0.0 through 239.255.255.255).

Is CVE-2022-46770 actively exploited?

A proof-of-concept exploit exists for CVE-2022-46770, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-46770?

CVE-2022-46770 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record