github - ghsa-87wj-m7w2-v2mf

GHSA-87WJ-M7W2-V2MF

Vulnerability from github – Published: 2025-12-24 15:30 – Updated: 2025-12-24 15:30

Details

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

RDMA/hns: Fix refcount leak in hns_roce_mmap

rdma_user_mmap_entry_get_pgoff() takes the reference. Add missing rdma_user_mmap_entry_put() to release the reference.

Acked-by Haoyue Xu xuhaoyue1@hisilicon.com

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50775"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:04Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix refcount leak in hns_roce_mmap\n\nrdma_user_mmap_entry_get_pgoff() takes the reference.\nAdd missing rdma_user_mmap_entry_put() to release the reference.\n\nAcked-by Haoyue Xu \u003cxuhaoyue1@hisilicon.com\u003e",
  "id": "GHSA-87wj-m7w2-v2mf",
  "modified": "2025-12-24T15:30:35Z",
  "published": "2025-12-24T15:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50775"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50775 (GCVE-0-2022-50775)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06

Title

RDMA/hns: Fix refcount leak in hns_roce_mmap

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix refcount leak in hns_roce_mmap rdma_user_mmap_entry_get_pgoff() takes the reference. Add missing rdma_user_mmap_entry_put() to release the reference. Acked-by Haoyue Xu <xuhaoyue1@hisilicon.com>

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/fa87cf2e756efe809…
	https://git.kernel.org/stable/c/8abd2ff2256a2a99c…
	https://git.kernel.org/stable/c/cf6a05c8494a8ae7f…

Impacted products

Vendor

Product

Version

Linux

Affected: 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 , < fa87cf2e756efe809ee8683d4f282f4de962dab6 (git)
Affected: 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 , < 8abd2ff2256a2a99c11c7ecdcb5512429933620f (git)
Affected: 0045e0d3f42ed7d05434bb5bc16acfc793ea4891 , < cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30 (git)

Linux

Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/hns/hns_roce_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fa87cf2e756efe809ee8683d4f282f4de962dab6",
              "status": "affected",
              "version": "0045e0d3f42ed7d05434bb5bc16acfc793ea4891",
              "versionType": "git"
            },
            {
              "lessThan": "8abd2ff2256a2a99c11c7ecdcb5512429933620f",
              "status": "affected",
              "version": "0045e0d3f42ed7d05434bb5bc16acfc793ea4891",
              "versionType": "git"
            },
            {
              "lessThan": "cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30",
              "status": "affected",
              "version": "0045e0d3f42ed7d05434bb5bc16acfc793ea4891",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/hns/hns_roce_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.2.*",
              "status": "unaffected",
              "version": "6.2.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.16",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2.3",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.3",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix refcount leak in hns_roce_mmap\n\nrdma_user_mmap_entry_get_pgoff() takes the reference.\nAdd missing rdma_user_mmap_entry_put() to release the reference.\n\nAcked-by Haoyue Xu \u003cxuhaoyue1@hisilicon.com\u003e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:06:05.074Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6"
        },
        {
          "url": "https://git.kernel.org/stable/c/8abd2ff2256a2a99c11c7ecdcb5512429933620f"
        },
        {
          "url": "https://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30"
        }
      ],
      "title": "RDMA/hns: Fix refcount leak in hns_roce_mmap",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50775",
    "datePublished": "2025-12-24T13:06:05.074Z",
    "dateReserved": "2025-12-24T13:02:21.547Z",
    "dateUpdated": "2025-12-24T13:06:05.074Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-87WJ-M7W2-V2MF

CVE-2022-50775 (GCVE-0-2022-50775)

Tags

Sightings

Nomenclature