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CVE-2025-40362 ceph: fix multifs mds auth caps issue

🗓️ 16 Dec 2025 13:40:02Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Ceph fixes multifs mds caps by validating the file system name to prevent cross-fs privileges.

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/mds_client.c",
      "fs/ceph/mdsmap.c",
      "fs/ceph/super.c",
      "fs/ceph/super.h"
    ],
    "versions": [
      {
        "version": "596afb0b8933ba6ed7227adcc538db26feb25c74",
        "lessThan": "07640d34a781bb2e39020a39137073c03c4aa932",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "596afb0b8933ba6ed7227adcc538db26feb25c74",
        "lessThan": "ca3da8b27ab9a0923ad477447cfb8fc7f4b4c523",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "596afb0b8933ba6ed7227adcc538db26feb25c74",
        "lessThan": "22c73d52a6d05c5a2053385c0d6cd9984732799d",
        "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/ceph/mds_client.c",
      "fs/ceph/mdsmap.c",
      "fs/ceph/super.c",
      "fs/ceph/super.h"
    ],
    "versions": [
      {
        "version": "6.10",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.10",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.58",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.8",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:47Current
EPSS0.0009
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