openvswitch 2.17.8 was discovered to contain a memory leak via the function xmalloc__ in openvswitch-2.17.8/lib/util.c.
- Published
- Jan 19, 2024
- Updated
- Jun 17, 2026
- EPSS
- 0.6% · 45th percentile
- CWE
- CWE-401
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.6%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- yes
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| openvswitch | openvswitch | cpe:2.3:a:openvswitch:openvswitch |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- openvswitch openvswitch2.17.8
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | openvswitch | before 2.17.2-4 | 2.17.2-4 |
| SUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS | openvswitch | before 2.13.2-150200.9.31.1 | 2.13.2-150200.9.31.1 |
| SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS | openvswitch | before 2.14.2-150300.19.17.1 | 2.14.2-150300.19.17.1 |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | openvswitch | before 2.14.2-150400.24.20.1 | 2.14.2-150400.24.20.1 |
| SUSE:Linux Enterprise Module for Legacy 15 SP5 | openvswitch | before 2.14.2-150400.24.20.1 | 2.14.2-150400.24.20.1 |
| SUSE:Linux Enterprise Module for Package Hub 15 SP5 | openvswitch | before 2.11.5-150100.3.24.1 | 2.11.5-150100.3.24.1 |
| SUSE:Linux Enterprise Server 12 SP5 | openvswitch | before 2.11.5-3.21.1 | 2.11.5-3.21.1 |
Same product
openvswitch: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-2074Buffer overflow in lib/flow.c in ovs-vswitchd in Open vSwitch 2.2.x and 2.3.x before 2.3.3 and 2.4.x before 2.4.1 allows remote attackers to41Plan
- CVE-2017-9265In Open vSwitch (OvS) v2.7.0, there is a buffer over-read while parsing the group mod OpenFlow message sent from the controller in `lib/ofp-40Plan
- CVE-2017-9264In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP,40Plan
- CVE-2017-9214In Open vSwitch (OvS) 2.7.0, while parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused b40Plan
- CVE-2022-4338An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch.39Monitor
- CVE-2022-4337An out-of-bounds read in Organization Specific TLV was found in various versions of OpenvSwitch.39Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:openvswitch | 2.17.2-4 · Debian:12 | Package registry (OSV) |
| opensuse:openvswitch | 2.14.2-150400.24.20.1 · openSUSE:Leap 15.5 | Package registry (OSV) |
| suse:openvswitch | 2.11.5-150100.3.24.1 · SUSE:Linux Enterprise Module for Package Hub 15 SP5 | Package registry (OSV) |
| suse:openvswitch | 2.14.2-150400.24.20.1 · SUSE:Linux Enterprise Module for Legacy 15 SP5 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2021-3905514 days apartA memory leak was found in Open vSwitch (OVS) during userspace IP fragmentation processing.31Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-401 · Missing Release of Memory after Effective LifetimeCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.