CVE-2022-48646

MEDIUMNVD 6.26.2—

6.2

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)
EPSS: 1.0%
KEV: Not listed

Published

April 28, 2024

Last Modified

March 20, 2025

References (4)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/589c6eded10c77a12b7b2cf235b6b19a2bdb91fa
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4eadca702dff0768dd01be6789bbec2a18e5b0a

Weakness Classification(1)

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

CWE-476NULL Pointer Dereference

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.

Microsoft MSRCCVE-2022-486462025-09-04
sfc/siena: fix null pointer dereference in efx_hard_start_xmit

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

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 1.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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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CVE-2022-48646

Published

Last Modified

References (4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-48646?

Same vendor

Same CWE

CVE-2022-48646

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-48646?

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References (4)

Frequently asked(5)

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