RDMA/mana: Validate rx_hash_key_len

{
  "id": "ca1407b2e6899b3d7d730dda132fcbf2e1664916053f057bf377b3c96230bf60",
  "url": "https://osv.dev/vulnerability/CVE-2026-46145",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "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.",
    "evidence": "osv:CVE-2026-46145",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.141",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.88",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.30",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.0.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-46145",
      "aliases": [
        "CVE-2026-46145"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
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          "ranges": [
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              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"
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                {
                  "fixed": "11c1431d641e0e4e0529e96957995820600c7287"
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                {
                  "fixed": "012796f9541fcd0c1fa8ae4da7eb4d83931ef838"
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                  "fixed": "7d94f155f354b961c598f71bafa804dceded513f"
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                {
                  "fixed": "6dd2d4ad9c8429523b1c220c5132bd551c006425"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46145.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.141"
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              ]
            },
            {
              "type": "ECOSYSTEM",
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                  "introduced": "6.7.0"
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                {
                  "fixed": "6.12.88"
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                  "introduced": "6.13.0"
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                  "fixed": "6.18.30"
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              "type": "ECOSYSTEM",
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                  "introduced": "6.19.0"
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          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46145.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.091862338Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838",
        "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287",
        "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425",
        "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72",
        "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f",
        "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46145.json",
        "https://access.redhat.com/errata/RHSA-2026:27353",
        "https://access.redhat.com/errata/RHSA-2026:27354",
        "https://access.redhat.com/errata/RHSA-2026:27789",
        "https://access.redhat.com/errata/RHSA-2026:30129",
        "https://access.redhat.com/errata/RHSA-2026:62568",
        "https://access.redhat.com/errata/RHSA-2026:64767",
        "https://access.redhat.com/errata/RHSA-2026:65712",
        "https://access.redhat.com/security/cve/CVE-2026-46145",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46145.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46145",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2482581",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46145.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-46145",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510052,
  "published_at": "2026-05-28T09:36:01.805+00:00"
}