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CVE-2022-46770

HIGH
7.5
CVSS Score
Published: December 7, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:12 AM UTC
1 product affected across 1 vendorMirage Firewall

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Severity
HIGH7.5
Exploit prediction
EPSS 22%
SSVC
PoC

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).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mirage Firewall· Linuxfoundation
95%
0.8.0 ≤ v < 0.8.4
Affected range stops below 0.8.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Source: [email protected]
http://packetstormsecurity.com/files/171610/Qubes-Mirage-Firewall-0.8.3-Denial-Of-Service.html
ExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/mirage/qubes-mirage-firewall/issues/166

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-835

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