CVE-2022-50874 (GCVE-0-2022-50874)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2026-05-11 19:26
VLAI
Title
RDMA/erdma: Fix refcount leak in erdma_mmap
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take reference, we should release it when not need anymore, add the missing rdma_user_mmap_entry_put() in the error path to fix it.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 155055771704f8cbb5c176a4309b7dc30a50450c , < 8372207b009d6abdd60bb05624640bd86386599f (git)
Affected: 155055771704f8cbb5c176a4309b7dc30a50450c , < 410f0f46ffca4d0102470c1e0c747ecfece4204c (git)
Affected: 155055771704f8cbb5c176a4309b7dc30a50450c , < ee84146c05ad2316b9a7222d0ec4413e0bf30eeb (git)
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Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (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": {
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          "programFiles": [
            "drivers/infiniband/hw/erdma/erdma_verbs.c"
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              "operator": "OR"
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      "descriptions": [
        {
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: Fix refcount leak in erdma_mmap\n\nrdma_user_mmap_entry_get() take reference, we should release it when not\nneed anymore, add the missing rdma_user_mmap_entry_put() in the error\npath to fix it."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:26:47.947Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
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  "cveMetadata": {
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    "cveId": "CVE-2022-50874",
    "datePublished": "2025-12-30T12:23:15.388Z",
    "dateReserved": "2025-12-30T12:06:07.137Z",
    "dateUpdated": "2026-05-11T19:26:47.947Z",
    "state": "PUBLISHED"
  },
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                ],
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          }
        ],
        "id": "CVE-2022-50874",
        "lastModified": "2026-06-17T05:24:20.020",
        "metrics": {},
        "published": "2025-12-30T13:16:02.387",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: RDMA/erdma: Fix refcount leak in erdma_mmap",
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      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50874.json",
      "version": "12"
    }
  }
}



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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

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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.



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