SARA / Free Tools / CVE / CVE-2022-4964

CVE-2022-4964 — Ubuntu's pipewire-pulse in snap grants microphone access even when the snap inte

Ubuntu's pipewire-pulse in snap grants microphone access even when the snap interface for audio-record is not set.

CVSS

5.5 MEDIUM

EPSS

0.06% (top 80.50%)

CWE

—

Published

2024-01-24T00:58:14.236Z

Last modified

2025-06-20T19:20:11.172Z

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

01What is this vulnerability?

Ubuntu's pipewire-pulse in snap grants microphone access even when the snap interface for audio-record is not set.

Vendor	Product	Versions
Canonical Ltd.	Ubuntu pipewire	pulse — 0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

bugs.launchpad.net — https://bugs.launchpad.net/ubuntu/+source/pipewire/+bug/1995707/
cve.mitre.org — https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-4964
gitlab.freedesktop.org — https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/1779
gitlab.freedesktop.org — https://gitlab.freedesktop.org/pipewire/wireplumber/-/merge_requests/567

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