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CVE-2026-23032 null_blk: fix kmemleak by releasing references to fault configfs items

🗓️ 31 Jan 2026 11:42:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

null_blk: release fault-config configfs item references when removing top-level nullbX to fix kmemleak.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/null_blk/main.c"
    ],
    "versions": [
      {
        "version": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
        "lessThan": "1a3286edf4d48ce37f8982ff3c3b65159a5ecbb2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
        "lessThan": "d59ba448ccd595d5d65e197216cf781a87db2b28",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
        "lessThan": "f1718da051282698aa8fa150bebb9724f6389fda",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bb4c19e030f45c5416f1eb4daa94fbaf7165e9ea",
        "lessThan": "40b94ec7edbbb867c4e26a1a43d2b898f04b93c5",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/null_blk/main.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.67",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.7",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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