OPP: fix dev_pm_opp_find_bw_*() when bandwidth table not initialized

{
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  "url": "https://osv.dev/vulnerability/CVE-2024-58068",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OPP: fix dev_pm_opp_find_bw_*() when bandwidth table not initialized",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: OPP: fix dev_pm_opp_find_bw_*() when bandwidth table not initialized If a driver calls dev_pm_opp_find_bw_ceil/floor() the retrieve bandwidth from the OPP table but the bandwidth table was not created because the interconnect properties were missing in the OPP consumer node, the kernel will crash with: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004 ... pc : _read_bw+0x8/0x10 lr : _opp_table_find_key+0x9c/0x174 ... Call trace: _read_bw+0x8/0x10 (P) _opp_table_find_key+0x9c/0x174 (L) _find_key+0x98/0x168 dev_pm_opp_find_bw_ceil+0x50/0x88 ... In order to fix the crash, create an assert function to check if the bandwidth table was created before trying to get a bandwidth with _read_bw().",
    "evidence": "osv:CVE-2024-58068",
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      "modified": "2026-10-28T02:30:28.556533789Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-784472.html",
        "https://git.kernel.org/stable/c/5165486681dbd67b61b975c63125f2a5cb7f96d1",
        "https://git.kernel.org/stable/c/84ff05c9bd577157baed711a4f0b41206593978b",
        "https://git.kernel.org/stable/c/8532fd078d2a5286915d03bb0a0893ee1955acef",
        "https://git.kernel.org/stable/c/b44b9bc7cab2967c3d6a791b1cd542c89fc07f0e",
        "https://git.kernel.org/stable/c/ff2def251849133be6076a7c2d427d8eb963c223",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58068.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-58068",
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  "source_id": "core-osv",
  "document_id": 495036,
  "published_at": "2025-03-06T15:54:08.798+00:00"
}