Vulnerability-Lookup

GHSA-H8H4-4MRV-WH3H

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46145"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:30Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-h8h4-4mrv-wh3h",
  "modified": "2026-05-28T12:30:30Z",
  "published": "2026-05-28T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46145"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-05-28 09:36

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

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f…
https://git.kernel.org/stable/c/11c1431d641e0e4e0…
https://git.kernel.org/stable/c/012796f9541fcd0c1…
https://git.kernel.org/stable/c/7d94f155f354b961c…
https://git.kernel.org/stable/c/6dd2d4ad9c8429523…

Impacted products

2 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)
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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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/mana/qp.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "11c1431d641e0e4e0529e96957995820600c7287",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "6dd2d4ad9c8429523b1c220c5132bd551c006425",
              "status": "affected",
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        },
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          "programFiles": [
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          ],
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          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.141",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                },
                {
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        {
          "url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"
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      "title": "RDMA/mana: Validate rx_hash_key_len",
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    "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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}

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.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-H8H4-4MRV-WH3H

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

Tags

Sightings

Nomenclature