ovs - buffer over-read
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ovs | ovs | v0.90.0 and later; up to v2.5.0 | — | No fix listed | CNA |
- ovs Vendorovs Affected v0.90.0 and later; up to v2.5.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 7 | Affected | No fix yet |
Not affected: 6 products
- Fast Datapath for RHEL 7
- Fast Datapath for RHEL 8
- Fast Datapath for RHEL 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenStack Platform 13 (Queens)
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2022-32166
- 2026-10-03 Alias added: GHSA-3q99-mmr6-6chg
References
Sources
- CVE-2022-32166 · CVE Program
- CVE-2022-32166 · NVD
- FIRST EPSS
- GHSA-3q99-mmr6-6chg · GitHub Advisory Database · CC BY 4.0
- CVE-2022-32166 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences