Vulnerability-Lookup

FKIE_CVE-2026-46145

Vulnerability from fkie_nvd - Published: 2026-05-28 10:16 - Updated: 2026-05-28 13:44

Severity

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.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "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."
    }
  ],
  "id": "CVE-2026-46145",
  "lastModified": "2026-05-28T13:44:01.663",
  "metrics": {},
  "published": "2026-05-28T10:16:30.110",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

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

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)

Show details on NVD website

JSON

To clipboard

{
  "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": [
            {
              "lessThan": "7d7c9f0fcd19c4d2f0164347c58d49cafa961b72",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "11c1431d641e0e4e0529e96957995820600c7287",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "012796f9541fcd0c1fa8ae4da7eb4d83931ef838",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "7d94f155f354b961c598f71bafa804dceded513f",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            },
            {
              "lessThan": "6dd2d4ad9c8429523b1c220c5132bd551c006425",
              "status": "affected",
              "version": "0266a177631d4c6b963b5b12dd986a8c5abdbf06",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "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": [
            {
              "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:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.141",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc3",
                  "versionStartIncluding": "6.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:36:01.805Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7d7c9f0fcd19c4d2f0164347c58d49cafa961b72"
        },
        {
          "url": "https://git.kernel.org/stable/c/11c1431d641e0e4e0529e96957995820600c7287"
        },
        {
          "url": "https://git.kernel.org/stable/c/012796f9541fcd0c1fa8ae4da7eb4d83931ef838"
        },
        {
          "url": "https://git.kernel.org/stable/c/7d94f155f354b961c598f71bafa804dceded513f"
        },
        {
          "url": "https://git.kernel.org/stable/c/6dd2d4ad9c8429523b1c220c5132bd551c006425"
        }
      ],
      "title": "RDMA/mana: Validate rx_hash_key_len",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "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"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

FKIE_CVE-2026-46145

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

Tags

Sightings

Nomenclature