CVE-2022-32250

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-06-03. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

net/netfilter/nf_tables_api.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFT_STATEFUL_EXPR check leads to a use-after-free.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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 computed
Severity78% × 45%
Exploitation40% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
85.4%
KEV
Not listed

Published

June 2, 2022

Last Modified

November 21, 2024

References (36)

Vendor Advisories for CVE-2022-32250(14)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(18)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatredhat-virtualization-host-0:4.5.2-202209140405_8.62022-09-19redhat
redhatkernel-0:3.10.0-1062.68.1.el72022-08-16redhat
redhatkpatch-patch2022-08-16redhat
redhatkernel-0:4.18.0-372.19.1.el8_62022-08-03redhat
redhatkernel-0:3.10.0-514.104.1.el72022-08-02redhat
redhatkernel-0:3.10.0-693.104.1.el72022-08-02redhat
redhatkernel-rt-0:4.18.0-372.19.1.rt7.176.el8_62022-08-02redhat
redhatkernel-0:3.10.0-957.95.1.el72022-08-02redhat
redhatkernel-rt-0:4.18.0-305.57.1.rt7.129.el8_42022-07-19redhat
redhatkernel-0:4.18.0-305.57.1.el8_42022-07-19redhat
redhatkernel-0:4.18.0-147.70.1.el8_12022-07-19redhat
redhatkernel-0:5.14.0-70.17.1.el9_02022-07-01redhat
redhatredhat-virtualization-host-0:4.3.23-20220622.0.el7_92022-07-01redhat
redhatkernel-0:3.10.0-1160.71.1.el72022-06-28redhat
redhatkernel-rt-0:3.10.0-1160.71.1.rt56.1212.el72022-06-28redhat
redhatkernel-rt-0:4.18.0-193.87.1.rt13.137.el8_22022-06-28redhat
redhatkernel-0:4.18.0-193.87.1.el8_22022-06-28redhat
redhatkernel-rt-0:5.14.0-70.17.1.rt21.89.el9_02022-06-28redhat

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.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(11)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 14× in last 7d / 48× 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 111 total refreshes for this CVE.

  1. 2026-07-23 02:11 UTCEG score recompute
  2. 2026-07-22 22:58 UTCEG score recompute
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Publicly available exploits

(5 references)

Working exploit code is in the public domain (5 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCseadragnol/CVE-2022-32250
    First seen Dec 6, 2024
    Open source ↗
  • GitHub PoCKristal-g/CVE-2022-32250
    First seen Jun 9, 2024

    My exploit for CVE-2022-32250 for linux kernel 5.18

    Open source ↗
  • GitHub PoCDecstor5/2022-32250LPE
    First seen Nov 9, 2023

    CVE-2022-32250-LPE

    Open source ↗
  • GitHub PoCysanatomic/CVE-2022-32250-LPE
    First seen Jan 27, 2023

    LPE PoC of a user-after-free vulnerability in the Linux netfilter subsystem.

    Open source ↗
  • GitHub PoCtheori-io/CVE-2022-32250-exploit
    First seen Aug 24, 2022
    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-32250?
CVE-2022-32250 is a high vulnerability published on June 2, 2022. net/netfilter/nftablesapi.c in the Linux kernel through 5.18.1 allows a local user (able to create user/net namespaces) to escalate privileges to root because an incorrect NFTSTATEFULEXPR check leads to a use-after-free.
When was CVE-2022-32250 disclosed?
CVE-2022-32250 was first published in the National Vulnerability Database on June 2, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-32250 actively exploited?
CVE-2022-32250 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 85.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-32250?
CVE-2022-32250 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-32250?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-32250, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2022-32250

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