FKIE_CVE-2022-50742

Vulnerability from fkie_nvd - Published: 2025-12-24 13:16 - Updated: 2026-06-17 05:24
Severity
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/misc/ocxl/file.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fc797285c40a9cc441357abb3521d3e51c743f67",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "versionType": "git"
            },
            {
              "lessThan": "7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "versionType": "git"
            },
            {
              "lessThan": "11bd8bbdf8f6f5c1145bb158793107a57e3a1f07",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "versionType": "git"
            },
            {
              "lessThan": "843433a02e344d30fbb62dfd834c60631baaa527",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "versionType": "git"
            },
            {
              "lessThan": "66032c43291672bae8b93184d2806f05be3e16df",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "versionType": "git"
            },
            {
              "lessThan": "c3b69ba5114c860d730870c03ab4ee45276e5e35",
              "status": "affected",
              "version": "060146614643ddc5978c73ffac0329762b4651c9",
              "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"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "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."
    }
  ],
  "id": "CVE-2022-50742",
  "lastModified": "2026-06-17T05:24:06.093",
  "metrics": {},
  "published": "2025-12-24T13:16:00.910",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/843433a02e344d30fbb62dfd834c60631baaa527"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c3b69ba5114c860d730870c03ab4ee45276e5e35"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fc797285c40a9cc441357abb3521d3e51c743f67"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Deferred"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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

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.