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CVE-2022-50295 io_uring/msg_ring: Fix NULL pointer dereference in io_msg_send_fd()

🗓️ 15 Sep 2025 14:45:51Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Fix NULL pointer dereference in io_msg_send_fd by adding a NULL check for file_ptr when src_file is NULL.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/msg_ring.c"
    ],
    "versions": [
      {
        "version": "e6130eba8a848a7a6ba6c534bd8f6d60749ae1a9",
        "lessThan": "0163e04ea64cc3dfaa12390286e5f2f481c3b2e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e6130eba8a848a7a6ba6c534bd8f6d60749ae1a9",
        "lessThan": "16bbdfe5fb0e78e0acb13e45fc127e9a296913f2",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/msg_ring.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.6",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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