github - ghsa-7fvc-c9hj-7pgf

GHSA-7FVC-C9HJ-7PGF

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:

misc: ocxl: fix possible refcount leak in afu_ioctl()

eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.

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{
  "affected": [],
  "aliases": [
    "CVE-2022-50742"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-24T13:16:00Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible refcount leak in afu_ioctl()\n\neventfd_ctx_put need to be called to put the refcount that gotten by\neventfd_ctx_fdget when ocxl_irq_set_handler fails.",
  "id": "GHSA-7fvc-c9hj-7pgf",
  "modified": "2025-12-24T15:30:33Z",
  "published": "2025-12-24T15:30:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50742"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2022-50742 (GCVE-0-2022-50742)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:05 – Updated: 2025-12-24 13:05

Title

misc: ocxl: fix possible refcount leak in afu_ioctl()

Summary

In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afu_ioctl() eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/fc797285c40a9cc44…
	https://git.kernel.org/stable/c/7ba19a60c74fb0057…
	https://git.kernel.org/stable/c/11bd8bbdf8f6f5c11…
	https://git.kernel.org/stable/c/843433a02e344d30f…
	https://git.kernel.org/stable/c/66032c43291672bae…
	https://git.kernel.org/stable/c/c3b69ba5114c860d7…

Impacted products

Vendor

Product

Version

Linux

Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < fc797285c40a9cc441357abb3521d3e51c743f67 (git)
Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < 7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1 (git)
Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < 11bd8bbdf8f6f5c1145bb158793107a57e3a1f07 (git)
Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < 843433a02e344d30fbb62dfd834c60631baaa527 (git)
Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < 66032c43291672bae8b93184d2806f05be3e16df (git)
Affected: 060146614643ddc5978c73ffac0329762b4651c9 , < c3b69ba5114c860d730870c03ab4ee45276e5e35 (git)

Linux

Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.4.220 , ≤ 5.4.* (semver)
Unaffected: 5.10.150 , ≤ 5.10.* (semver)
Unaffected: 5.15.75 , ≤ 5.15.* (semver)
Unaffected: 5.19.17 , ≤ 5.19.* (semver)
Unaffected: 6.0.3 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/ocxl/file.c"
          ],
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          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
            },
            {
              "lessThan": "843433a02e344d30fbb62dfd834c60631baaa527",
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              "versionType": "git"
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            {
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              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/ocxl/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.2"
            },
            {
              "lessThan": "5.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.220",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.150",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.75",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.220",
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                },
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                }
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible refcount leak in afu_ioctl()\n\neventfd_ctx_put need to be called to put the refcount that gotten by\neventfd_ctx_fdget when ocxl_irq_set_handler fails."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:05:39.566Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67"
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        {
          "url": "https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1"
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          "url": "https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527"
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        {
          "url": "https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df"
        },
        {
          "url": "https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35"
        }
      ],
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    "cveId": "CVE-2022-50742",
    "datePublished": "2025-12-24T13:05:39.566Z",
    "dateReserved": "2025-12-24T13:02:21.543Z",
    "dateUpdated": "2025-12-24T13:05:39.566Z",
    "state": "PUBLISHED"
  },
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}

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-7FVC-C9HJ-7PGF

CVE-2022-50742 (GCVE-0-2022-50742)

Tags

Sightings

Nomenclature