CVE-2022-50245 (GCVE-0-2022-50245)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:02 – Updated: 2026-05-11 19:15
VLAI
Title
rapidio: fix possible UAF when kfifo_alloc() fails
Summary
In the Linux kernel, the following vulnerability has been resolved: rapidio: fix possible UAF when kfifo_alloc() fails If kfifo_alloc() fails in mport_cdev_open(), goto err_fifo and just free priv. But priv is still in the chdev->file_list, then list traversal may cause UAF. This fixes the following smatch warning: drivers/rapidio/devices/rio_mport_cdev.c:1930 mport_cdev_open() warn: '&priv->list' not removed from list
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6856 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 2a6c75adf8192f07ddcdd4a1a13488c890a73919 (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 2dfd60724d271a6ab99f93f40f38f2ced1ddbb87 (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < a253dde0403a153075ffb254f6f7b2635e49e97a (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 311b488405ac45af46756b1c8f1d27007b68b07e (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 5ee850645e42f541ce1ea8130c2b27cc495f965c (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 2f5cc7fd73fd6253cc71214f0dd499cc62feb469 (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 2ba06e57f933f0eac242e8b389433da1cc00d4d5 (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < cb87af2c19c0993f6e21f75b963a5599c5a73e76 (git)
Affected: e8de370188d098bb49483c287b44925957c3c9b6 , < 02d7d89f816951e0862147d751b1150d67aaebdd (git)
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Linux Linux Affected: 4.6
Unaffected: 0 , < 4.6 (semver)
Unaffected: 4.9.337 , ≤ 4.9.* (semver)
Unaffected: 4.14.303 , ≤ 4.14.* (semver)
Unaffected: 4.19.270 , ≤ 4.19.* (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2dfd60724d271a6ab99f93f40f38f2ced1ddbb87"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2f5cc7fd73fd6253cc71214f0dd499cc62feb469"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/311b488405ac45af46756b1c8f1d27007b68b07e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/5ee850645e42f541ce1ea8130c2b27cc495f965c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a253dde0403a153075ffb254f6f7b2635e49e97a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cb87af2c19c0993f6e21f75b963a5599c5a73e76"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:18:37+00:00",
      "cve": "CVE-2022-50245",
      "id": "CVE-2022-50245",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: rapidio: fix possible UAF when kfifo_alloc() fails",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-50245.json",
      "version": "3"
    }
  }
}



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