CVE-2022-42722

MEDIUMNVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

Score 5.5 from GitHub Security Advisory published 2022-10-14. NVD baseline CVSS 5.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.5Exploit: NoneExposed: 0

A fix is available — apply it.

In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon protection of P2P devices.

CVSS v3
5.5
EG Score
5.5(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity55% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
42.9%
KEV
Not listed

Published

October 14, 2022

Last Modified

November 21, 2024

References (20)

Vendor Advisories for CVE-2022-42722(2)

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

Patch Availability(11)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulowlatency (5.15.0-25) @ jammy2026-05-25ubuntu
ubuntulinux-image-5.15.0-1024-azure-fde (5.15.0-1024.30.1) @ jammy2026-05-25ubuntu
ubuntulinux-image-unsigned-5.15.0-1019-gke (5.15.0-1019.23) @ jammy2026-05-25ubuntu
ubuntulinux-image-5.19.0-23-generic-lpae (5.19.0-23.24) @ kinetic2026-05-25ubuntu
ubuntulinux-headers-oem-22.04 (5.17.0.1020.19) @ jammy2026-05-25ubuntu
ubuntubackport-iwlwifi-dkms (9904-0ubuntu3.1) @ kinetic2026-05-25ubuntu
redhatkernel-0:4.18.0-372.95.1.el8_62024-03-06redhat
redhatkernel-rt-0:4.18.0-477.10.1.rt7.274.el8_82023-05-16redhat
redhatkernel-0:4.18.0-477.10.1.el8_82023-05-16redhat
redhatkernel-0:5.14.0-284.11.1.el9_22023-05-09redhat
redhatkernel-rt-0:5.14.0-284.11.1.rt14.296.el9_22023-05-09redhat

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

(10)

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 / 44× 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 101 total refreshes for this CVE.

  1. 2026-07-23 02:14 UTCEG score recompute
  2. 2026-07-22 23:02 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
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  9. 2026-06-28 16:02 UTCOSV refresh
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  39. 2026-06-11 06:39 UTCOSV refresh
  40. 2026-06-10 22:17 UTCEPSS rescore
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  73. 2026-05-25 13:51 UTCEG score recompute
  74. 2026-05-25 13:51 UTCVendor advisory
  75. 2026-05-25 13:51 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-42722?
CVE-2022-42722 is a medium vulnerability published on October 14, 2022. In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon protection of P2P devices.
When was CVE-2022-42722 disclosed?
CVE-2022-42722 was first published in the National Vulnerability Database on October 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-2022-42722 actively exploited?
CVE-2022-42722 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-42722?
CVE-2022-42722 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2022-42722?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-42722, 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

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