CVE-2022-48646

MEDIUMNVD 6.26.2—
EchelonGraph scoreMEDIUM confidence

Score 6.2 from GitHub Security Advisory published 2024-04-28. NVD baseline CVSS 6.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.2Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In the Linux kernel, the following vulnerability has been resolved:

sfc/siena: fix null pointer dereference in efx_hard_start_xmit

Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.

CVSS v3
6.2
EG Score
6.2(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: 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
Severity62% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
11%
KEV
Not listed

Published

April 28, 2024

Last Modified

March 20, 2025

References (4)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
linuxKernel @ 5.19.12—osv

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.

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 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 105 total refreshes for this CVE.

  1. 2026-07-26 14:52 UTCEPSS rescore
  2. 2026-07-26 14:52 UTCEPSS rescore
  3. 2026-07-25 14:16 UTCEPSS rescore
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  7. 2026-07-23 02:16 UTCEG score recompute
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  25. 2026-07-14 12:55 UTCOSV refresh
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  1. 2026-07-13 22:28 UTCEPSS rescore
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  22. 2026-06-27 03:07 UTCEPSS rescore
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  24. 2026-06-26 13:37 UTCOSV refresh
  25. 2026-06-25 13:48 UTCEPSS rescore
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  27. 2026-06-24 14:03 UTCEPSS rescore
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  46. 2026-06-13 22:59 UTCEPSS rescore
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  49. 2026-06-11 13:58 UTCEPSS rescore
  50. 2026-06-11 13:58 UTCEPSS rescore
  51. 2026-06-08 20:11 UTCOSV refresh
  52. 2026-06-08 14:15 UTCEPSS rescore
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  54. 2026-06-06 13:46 UTCEPSS rescore
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  75. 2026-05-26 07:17 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-48646?
CVE-2022-48646 is a medium vulnerability published on April 28, 2024. In the Linux kernel, the following vulnerability has been resolved: sfc/siena: fix null pointer dereference in efxhardstart_xmit Like in previous patch for sfc, prevent potential (but unlikely) NULL pointer dereference.
When was CVE-2022-48646 disclosed?
CVE-2022-48646 was first published in the National Vulnerability Database on April 28, 2024, with the most recent update on March 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-48646 actively exploited?
CVE-2022-48646 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 89.5% of all scored CVEs.
What is the CVSS score of CVE-2022-48646?
CVE-2022-48646 has a CVSS v3 base score of 6.2 (NVD).
How do I remediate CVE-2022-48646?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-48646, 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.

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