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CVE-2023-53391 shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs

🗓️ 18 Sep 2025 13:33:33Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE 2023 53391 fixes memory leak by using ramfs_kill_sb for ramfs-based tmpfs kill_sb.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ramfs/inode.c",
      "include/linux/ramfs.h",
      "mm/shmem.c"
    ],
    "versions": [
      {
        "version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db",
        "lessThan": "5fada375113767b3b57f1b04f7a4fe64ffaa626f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db",
        "lessThan": "487f229efea80c00dd7397547ec4f25fb8999d99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db",
        "lessThan": "1f34bf8b442c6d720e7fa6f15e8702427e48aea9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db",
        "lessThan": "ebe07db840992a3886694ac3d303b06f4b70ce00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c3b1b1cbf002e65a3cabd479e68b5f35886a26db",
        "lessThan": "36ce9d76b0a93bae799e27e4f5ac35478c676592",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ramfs/inode.c",
      "include/linux/ramfs.h",
      "mm/shmem.c"
    ],
    "versions": [
      {
        "version": "2.6.30",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.30",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.188",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.121",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.39",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.4.4",
        "lessThanOrEqual": "6.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 19:44Current
EPSS0.00021
3