CVE-2026-46145

HIGHNVD 7.8

7.8

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

RDMA/mana: Validate rx_hash_key_len

Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.

CVSS v3: 7.8
EG Score: 0.0(none)
EPSS: 1.8%
KEV: Not listed

Published

May 28, 2026

Last Modified

May 30, 2026

References (5)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f

Vendor Advisories for CVE-2026-46145(1)

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

GHSA-h8h4-4mrv-wh3h
GitHub Security AdvisoriesHigh
In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate...

Data Freshness Timeline

(refreshed 9× in last 7d / 9× 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.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 10:13 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-46145?

CVE-2026-46145 is a high vulnerability published on May 28, 2026. In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rxhashkey_len Sashiko points out that rxhashkey_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.

When was CVE-2026-46145 disclosed?

CVE-2026-46145 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on May 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-46145 actively exploited?

CVE-2026-46145 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-46145?

CVE-2026-46145 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-46145?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-46145, 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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CVE-2026-46145

📅 Published

🔄 Last Modified

🔗 References (5)

📣 Vendor Advisories for CVE-2026-46145(1)