CVE-2022-23222

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-01-15. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.8Exploit: NoneExposed: 0

A fix is available — apply it.

kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
—
EPSS
77.5%
KEV
Not listed

Published

January 14, 2022

Last Modified

November 21, 2024

References (24)

Vendor Advisories for CVE-2022-23222(2)

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

Patch Availability(8)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-unsigned-5.13.0-37-lowlatency (5.13.0-37.42) @ impish2026-05-23ubuntu
ubuntulinux-buildinfo-5.14.0-1022-oem (5.14.0-1022.24) @ focal2026-05-23ubuntu
ubuntulinux-tools-5.13.0-1021-azure (5.13.0-1021.24~20.04.1) @ focal2026-05-23ubuntu
ubuntulinux-image-unsigned-5.13.0-1010-intel (5.13.0-1010.10) @ focal2026-05-23ubuntu
redhatkernel-0:4.18.0-477.81.1.el8_82024-11-26redhat
redhatkernel-0:4.18.0-553.el8_102024-05-22redhat
redhatkernel-rt-0:4.18.0-553.rt7.342.el8_102024-05-22redhat
redhatkernel-0:4.18.0-372.91.1.el8_62024-02-07redhat

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

(7)

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 12× in last 7d / 46× 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 103 total refreshes for this CVE.

  1. 2026-07-22 22:55 UTCEG score recompute
  2. 2026-07-22 14:06 UTCEPSS rescore
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  47. 2026-06-07 18:16 UTCOSV refresh
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Publicly available exploits

(2 references)

Working exploit code is in the public domain (2 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCPenteraIO/CVE-2022-23222-POC
    First seen Jun 22, 2022
    Open source ↗
  • GitHub PoCtr3ee/CVE-2022-23222
    First seen Jun 7, 2022

    CVE-2022-23222: Linux Kernel eBPF Local Privilege Escalation

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-23222?
CVE-2022-23222 is a high vulnerability published on January 14, 2022. kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *ORNULL pointer types.
When was CVE-2022-23222 disclosed?
CVE-2022-23222 was first published in the National Vulnerability Database on January 14, 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-2022-23222 actively exploited?
CVE-2022-23222 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-23222?
CVE-2022-23222 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-23222?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-23222, 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-2022-23222

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