{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53751",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53751"
  ],
  "published": "2025-12-08T01:19:54Z",
  "summary": "cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential use-after-free bugs in TCP_Server_Info::hostname\n\nTCP_Server_Info::hostname may be updated once or many times during\nreconnect, so protect its access outside reconnect path as well and\nthen prevent any potential use-after-free bugs.",
  "affected": [
    {
      "package": {
        "ecosystem": "Raspberry Pi OS:12",
        "name": "linux"
      },
      "versions": [
        "1:6.1.21-1+rpt1"
      ],
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v6",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v7l",
            "binary_version": "1:6.1.21-1+rpt1"
          },
          {
            "binary_name": "linux-image-6.1.0-rpi1-rpi-v8",
            "binary_version": "1:6.1.21-1+rpt1"
          }
        ]
      },
      "database_specific": {
        "per_version": {
          "1:6.1.21-1+rpt1": {
            "linux_commit": "0afb5e98488aed7017b9bf321b575d0177feb7ed",
            "upstream_version": "6.1.21",
            "assessment": "commit ancestry (strak rule)",
            "upstream_fixed": "6.1.28"
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53751"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c511954bf142fe1995aec3c739a9f1a76990283a"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/0b08c4c499200be67d54c439d56e5ea866869945"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-08-05T11:24:39Z"
  }
}