{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2023-53852",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2023-53852"
  ],
  "published": "2025-12-09T01:31:24Z",
  "summary": "nvme-core: fix memory leak in dhchap_secret_store",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-core: fix memory leak in dhchap_secret_store\n\nFree dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return\nfix following kmemleack:-\n\nunreferenced object 0xffff8886376ea800 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316705 (age 92.199s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\nunreferenced object 0xffff8886376eaf00 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316736 (age 92.168s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc",
  "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-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": "6.1.39"
          }
        }
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2023-53852"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/2e9b141307554521d60fecf6bf1d2edc8dd0181d"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/6a5eda5017959541ab82c5d56bcf784b8294e298"
    },
    {
      "type": "FIX",
      "url": "https://git.kernel.org/stable/c/a836ca33c5b07d34dd5347af9f64d25651d12674"
    }
  ],
  "database_specific": {
    "source": "https://git.kernel.org/pub/scm/linux/security/vulns.git",
    "upstream_modified": "2026-05-12T04:54:46Z"
  }
}