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CVE-2026-23201 ceph: fix oops due to invalid pointer for kfree() in parse_longname()

🗓️ 14 Feb 2026 16:27:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Ceph kernel fix to avoid oops from invalid kfree pointer in parse_longname when reading .snap.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/crypto.c"
    ],
    "versions": [
      {
        "version": "bb80f7618832d26f7e395f52f82b1dac76223e5f",
        "lessThan": "8c9af7339de419819cfc641d551675d38ff99abf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "101841c38346f4ca41dc1802c867da990ffb32eb",
        "lessThan": "e258ed369c9e04caa7d2fd49785d753ae4034cb6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "101841c38346f4ca41dc1802c867da990ffb32eb",
        "lessThan": "bc8dedae022ce3058659c3addef3ec4b41d15e00",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3145b2b11492d61c512bbc59660bb823bc757f48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "493479af8af3ab907f49e99323777d498a4fbd2b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.42",
        "lessThan": "6.12.70",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.15.10",
        "lessThan": "6.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.16.1",
        "lessThan": "6.17",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ceph/crypto.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.70",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.10",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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