CVE-2025-68284 (GCVE-0-2025-68284)

Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2026-01-02 15:34
VLAI?
Title
libceph: prevent potential out-of-bounds writes in handle_auth_session_key()
Summary
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() The len field originates from untrusted network packets. Boundary checks have been added to prevent potential out-of-bounds writes when decrypting the connection secret or processing service tickets. [ idryomov: changelog ]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < f22c55a20a2d9ffbbac57408d5d488cef8201e9d (git)
Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < 8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09 (git)
Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < ccbccfba25e9aa395daaea156b5e7790910054c4 (git)
Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < 5ef575834ca99f719d7573cdece9df2fe2b72424 (git)
Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < 6920ff09bf911bc919cd7a6b7176fbdd1a6e6850 (git)
Affected: 285ea34fc876aa0a2c5e65d310c4a41269e2e5f2 , < 7fce830ecd0a0256590ee37eb65a39cbad3d64fc (git)
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    Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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              "version": "6.1.159",
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              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.119",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.61",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.11",
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: prevent potential out-of-bounds writes in handle_auth_session_key()\n\nThe len field originates from untrusted network packets. Boundary\nchecks have been added to prevent potential out-of-bounds writes when\ndecrypting the connection secret or processing service tickets.\n\n[ idryomov: changelog ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-02T15:34:48.915Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/f22c55a20a2d9ffbbac57408d5d488cef8201e9d"
        },
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          "url": "https://git.kernel.org/stable/c/8dfcc56af28cffb8f25fb9be37b3acc61f2a3d09"
        },
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          "url": "https://git.kernel.org/stable/c/ccbccfba25e9aa395daaea156b5e7790910054c4"
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        {
          "url": "https://git.kernel.org/stable/c/7fce830ecd0a0256590ee37eb65a39cbad3d64fc"
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      ],
      "title": "libceph: prevent potential out-of-bounds writes in handle_auth_session_key()",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-68284",
    "datePublished": "2025-12-16T15:06:06.235Z",
    "dateReserved": "2025-12-16T14:48:05.292Z",
    "dateUpdated": "2026-01-02T15:34:48.915Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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