{
  "cveId": "CVE-2026-97947",
  "url": "https://patchblox.com/security/cve/CVE-2026-97947",
  "summary": "CVE-2026-97947 is fixed in 35 products on 1 platform, first by DEBIAN-CVE-2026-97947, released October 2, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  x86/amd_node: Fix potential NULL pointer derefer...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  x86/amd_node: Fix potential NULL pointer dereference  amd_smn_read/write() are exported functions around __amd_smn_rw(), so they are always available even if amd_smn_init() fails. In that case, \u0027amd_roots\u0027 is NULL and __amd_smn_rw() will access uninitialized memory.  Then, commit:    83518453074d (\u0022x86/amd_node: Add SMN offsets to exclusive region access\u0022)  added the \u0027smn_exclusive\u0027 flag, which indicated the calls to pci_request_config_region_exclusive() succeeded, to prevent concurrent userspace access.  Commit:    0a4b61d9c2e4 (\u0022x86/amd_node: Fix AMD root device caching\u0022)  re-ordered initialization so pci_request_config_region_exclusive() is called earlier and a failure exits amd_smn_init() before allocating \u0027amd_roots\u0027. The setting of \u0027smn_exclusive\u0027 moved to the end of amd_smn_init(), after \u0027amd_roots\u0027 is allocated. It became redundant and can be removed.  Replace \u0027smn_exclusive\u0027 with directly checking \u0027amd_roots\u0027, to fix a potential NULL pointer dereference and to simplify the logic.    [ bp: Reorg commit message, touchup comment. ]   [ mingo: Rebase \u0026 further touchups. ]",
  "published": "2026-09-25T11:17:22Z",
  "severity": "important",
  "epss": 0.00198,
  "epssPercentile": 0.09628,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
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      "fixedVersion": "1:6.18.54-121.166.amzn2023",
      "fix": "ALAS2023-2026-3192",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3192",
      "released": "2026-11-07T01:06:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}