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CVE-2026-22984 libceph: prevent potential out-of-bounds reads in handle_auth_done()

🗓️ 23 Jan 2026 15:24:06Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

CVE-2026-22984 fixes libceph out-of-bounds read via bounds check in handle_auth_done.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ceph/messenger_v2.c"
    ],
    "versions": [
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "194cfe2af4d2a1de599d39dad636b47c2f6c2c96",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "79fe3511db416d2f2edcfd93569807cb02736e5e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "ef208ea331ef688729f64089b895ed1b49e842e3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "2802ef3380fa8c4a08cda51ec1f085b1a712e9e2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "2d653bb63d598ae4b096dd678744bdcc34ee89e8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cd1a677cad994021b19665ed476aea63f5d54f31",
        "lessThan": "818156caffbf55cb4d368f9c3cac64e458fb49c9",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ceph/messenger_v2.c"
    ],
    "versions": [
      {
        "version": "5.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.198",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.161",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.121",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.66",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.6",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:57Current
CVSS 3.19.8
EPSS0.00021
26