CVE-2026-46145 (GCVE-0-2026-46145)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-05-28 09:36
VLAI
Title
RDMA/mana: Validate rx_hash_key_len
Summary
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.
Severity
No CVSS data available.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 7d7c9f0fcd19c4d2f0164347c58d49cafa961b72 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 11c1431d641e0e4e0529e96957995820600c7287 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 012796f9541fcd0c1fa8ae4da7eb4d83931ef838 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 7d94f155f354b961c598f71bafa804dceded513f (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 6dd2d4ad9c8429523b1c220c5132bd551c006425 (git)
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Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1-rc3 , ≤ * (original_commit_for_fix)
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Show details on NVD website

{
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/mana/qp.c"
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          "vendor": "Linux",
          "versions": [
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              "version": "6.2"
            },
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "7.1-rc3",
              "versionType": "original_commit_for_fix"
            }
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        }
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      "cpeApplicability": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana: Validate rx_hash_key_len\n\nSashiko points out that rx_hash_key_len comes from a uAPI structure and is\nblindly passed to memcpy, allowing the userspace to trash kernel\nmemory. Bounds check it so the memcpy cannot overflow."
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        "dateUpdated": "2026-05-28T09:36:01.805Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "RDMA/mana: Validate rx_hash_key_len",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46145",
    "datePublished": "2026-05-28T09:36:01.805Z",
    "dateReserved": "2026-05-13T15:03:33.100Z",
    "dateUpdated": "2026-05-28T09:36:01.805Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46145",
      "date": "2026-05-29",
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      "percentile": "0.05164"
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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