A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.
CVE-2022-29800
Score 4.7 from GitHub Security Advisory published 2022-09-22. NVD baseline CVSS 4.7; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.7
- EG Score
- 4.7(medium)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity47% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 7%
- EPSS %ILE
- 94%
- KEV
- Not listed
Published
September 21, 2022
Last Modified
May 28, 2025
References (2)
- patrick@puiterwijkhttps://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
- af854a3a-2127-422b-91ae-364da2661108https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | networkd-dispatcher (2.1-2ubuntu0.22.04.1) @ jammy | 2026-05-25 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| networkd-dispatcher | 2.1-2, 2.1-2.1, 2.2.3-1, 2.2.4-1, 2.2.4-1.1 | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| networkd-dispatcher | — | 2.2.3-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| networkd-dispatcher | — | 2.2.3-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| networkd-dispatcher | — | 2.2.3-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 9× in last 7d / 29× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 156 total refreshes for this CVE.
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 03:44 UTCOSV refresh
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- 2026-08-18 14:13 UTCOSV refresh
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- 2026-08-13 21:57 UTCEPSS rescore
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- 2026-08-03 09:57 UTCOSV refresh
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- 2026-07-23 02:10 UTCEG score recompute
- 2026-07-22 22:57 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
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- 2026-07-21 15:22 UTCEPSS rescore
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- 2026-07-18 10:03 UTCEPSS rescore
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- 2026-07-16 19:34 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
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- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:44 UTCEPSS rescore
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- 2026-07-01 15:04 UTCEPSS rescore
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- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 18:02 UTCOSV refresh
- 2026-06-28 14:06 UTCEPSS rescore
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Frequently asked(5)
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-29800
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