{
  "cveId": "CVE-2021-47265",
  "url": "https://patchblox.com/security/cve/CVE-2021-47265",
  "summary": "CVE-2021-47265 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47265, released May 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  RDMA: Verify port when creating flow rule  Valid...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  RDMA: Verify port when creating flow rule  Validate port value provided by the user and with that remove no longer needed validation by the driver.  The missing check in the mlx5_ib driver could cause to the below oops.  Call trace:   _create_flow_rule\u002B0x2d4/0xf28 [mlx5_ib]   mlx5_ib_create_flow\u002B0x2d0/0x5b0 [mlx5_ib]   ib_uverbs_ex_create_flow\u002B0x4cc/0x624 [ib_uverbs]   ib_uverbs_handler_UVERBS_METHOD_INVOKE_WRITE\u002B0xd4/0x150 [ib_uverbs]   ib_uverbs_cmd_verbs.isra.7\u002B0xb28/0xc50 [ib_uverbs]   ib_uverbs_ioctl\u002B0x158/0x1d0 [ib_uverbs]   do_vfs_ioctl\u002B0xd0/0xaf0   ksys_ioctl\u002B0x84/0xb4   __arm64_sys_ioctl\u002B0x28/0xc4   el0_svc_common.constprop.3\u002B0xa4/0x254   el0_svc_handler\u002B0x84/0xa0   el0_svc\u002B0x10/0x26c  Code: b9401260 f9615681 51000400 8b001c20 (f9403c1a)",
  "published": "2024-05-21T15:15:15Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00196,
  "epssPercentile": 0.09369,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47265",
      "released": "2024-05-21T15:15:15Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47265",
      "released": "2024-05-21T15:15:15Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.14.6-1",
      "fix": "DEBIAN-CVE-2021-47265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-47265",
      "released": "2024-05-21T15:15:15Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}