CVE-2023-54209

{
  "id": "CVE-2023-54209",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-12-30T13:16:09.087",
  "lastModified": "2026-10-28T19:10:00.193",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix blktrace debugfs entries leakage\n\nCommit 99d055b4fd4b (\"block: remove per-disk debugfs files in\nblk_unregister_queue\") moves blk_trace_shutdown() from\nblk_release_queue() to blk_unregister_queue(), this is safe if blktrace\nis created through sysfs, however, there is a regression in corner\ncase.\n\nblktrace can still be enabled after del_gendisk() through ioctl if\nthe disk is opened before del_gendisk(), and if blktrace is not shutdown\nthrough ioctl before closing the disk, debugfs entries will be leaked.\n\nFix this problem by shutdown blktrace in disk_release(), this is safe\nbecause blk_trace_remove() is reentrant."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nblock: soluciona la fuga de entradas debugfs de blktrace\n\nEl commit 99d055b4fd4b (’block: elimina archivos debugfs por disco en blk_unregister_queue’) mueve blk_trace_shutdown() de blk_release_queue() a blk_unregister_queue(), esto es seguro si blktrace se crea a través de sysfs, sin embargo, hay una regresión en un caso extremo.\n\nblktrace aún puede habilitarse después de del_gendisk() a través de ioctl si el disco se abre antes de del_gendisk(), y si blktrace no se cierra a través de ioctl antes de cerrar el disco, se producirá una fuga de entradas debugfs.\n\nSoluciona este problema cerrando blktrace en disk_release(), esto es seguro porque blk_trace_remove() es reentrante."
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "block/genhd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
              "lessThan": "aa07e56c6a9c7558165690d14eed4fe8babf34fb",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
              "lessThan": "7149e57cf01184fba175589f8fbe9fbf33be02e1",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
              "lessThan": "942e81650b81b4ca62f1d8c61de455c9e7c7e6ca",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
              "lessThan": "dd7de3704af9989b780693d51eaea49a665bd9c2",
              "versionType": "git",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "block/genhd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "5.19",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "5.19",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.1.39",
              "lessThanOrEqual": "6.1.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.3.13",
              "lessThanOrEqual": "6.3.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.4.4",
              "lessThanOrEqual": "6.4.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.5",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/7149e57cf01184fba175589f8fbe9fbf33be02e1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/942e81650b81b4ca62f1d8c61de455c9e7c7e6ca",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/aa07e56c6a9c7558165690d14eed4fe8babf34fb",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/dd7de3704af9989b780693d51eaea49a665bd9c2",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}