CVE-2022-32166

ovs - buffer over-read

Published Sep 28, 2022 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.

Remediation

Vendor Solution

Update version to v2.5.1 or later

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3168-1 openvswitch security update
EUVD EUVD EUVD-2022-53397 In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution.
Ubuntu USN Ubuntu USN USN-5698-1 Open vSwitch vulnerability
Ubuntu USN Ubuntu USN USN-5698-2 Open vSwitch vulnerability
History
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Mend
Published
Updated
May 21, 2025, 2:13 PM
Reserved
May 31, 2022, 12:00 AM
Status
Modified
Published
Sep 28, 2022, 10:15 AM
Modified
Jun 17, 2026, 4:46 AM
Severity
Important
Public date
Sep 28, 2022, 12:00 AM