CVE-2026-52956 libceph: Fix potential out-of-bounds access in __ceph_x_decrypt()

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ceph/auth_x.c"
    ],
    "versions": [
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  {
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    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
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    ],
    "versions": [
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        "status": "unaffected",
        "versionType": "semver"
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      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]