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CVE-2026-68433 libceph: bound get_version reply decode to front len

🗓️ 12 Aug 2026 00:07:20Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

libceph decodes get_version reply using stale buffer tail bytes, causing uninitialized memory read.

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/mon_client.c"
    ],
    "versions": [
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "1307028f082756bf453e1889aee9983d30643a4b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "f6cbf6878f3a1503c872ba8f1e69a58ee68d8b2e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "72a35070fcefa229b1b031aa7482ad3788e18f07",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "340e0386aa39da181015bee38f309018c335ce16",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "d60de8253c85a02d0e6194b0735e7a562981a04c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "4e7ebfaa0d14cf50e44041bfde38070d6dbc019f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "0d934c934ec746d53fc7e4f53239792647bbae63",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "513a8243d67f8e8d27f2883bd2f18bc87c7ca376",
        "lessThan": "d3c32939fa0e3ee9b883b9a0fd1972c5c444e3d0",
        "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/mon_client.c"
    ],
    "versions": [
      {
        "version": "3.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Aug 2026 16:35Current
CVSS 3.18.6
EPSS0.00291
36