{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2026-46024",
  "modified": "2026-10-09T11:39:44Z",
  "upstream": [
    "CVE-2026-46024"
  ],
  "published": "2026-05-27T12:59:23Z",
  "summary": "libceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()",
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: Prevent potential null-ptr-deref in ceph_handle_auth_reply()\n\nIf a message of type CEPH_MSG_AUTH_REPLY contains a zero value for both\nprotocol and result, this is currently not treated as an error. In case\nof ac->negotiating == true and ac->protocol > 0, this leads to setting\nac->protocol = 0 and ac->ops = NULL. Thereafter, the check for\nac->protocol != protocol returns false, and init_protocol() is not\ncalled. Subsequently, ac->ops->handle_reply() is called, which leads to\na null pointer dereference, because ac->ops is still NULL.\n\nThis patch changes the check for ac->protocol != protocol to\n!ac->protocol, as this also includes the case when the protocol was set\nto zero in the message. This causes the message to be treated as\ncontaining a bad auth protocol.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
    }
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      "url": "https://www.cve.org/CVERecord?id=CVE-2026-46024"
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}