staging: vchiq_arm: Fix possible NPR of keep-alive thread

{
  "id": "a111831f7b0cd31d0ceb90d7cb444a305f98b1ec5aeef36c610b1e647bba0622",
  "url": "https://osv.dev/vulnerability/CVE-2025-22078",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "staging: vchiq_arm: Fix possible NPR of keep-alive thread",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: staging: vchiq_arm: Fix possible NPR of keep-alive thread In case vchiq_platform_conn_state_changed() is never called or fails before driver removal, ka_thread won't be a valid pointer to a task_struct. So do the necessary checks before calling kthread_stop to avoid a crash.",
    "evidence": "osv:CVE-2025-22078",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.23",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.13.11",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-22078",
      "aliases": [
        "CVE-2025-22078"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "863a756aaf49ed23d25bbb1dad999a85f09e1836"
                },
                {
                  "fixed": "1817c4b85011998604e5ff9a80a6e01adb7e7e81"
                },
                {
                  "fixed": "a915c896f95a989a7759a73f8c064f5dc3775175"
                },
                {
                  "fixed": "bd38395b901327f77a82112f006240de22cf2ceb"
                },
                {
                  "fixed": "3db89bc6d973e2bcaa852f6409c98c228f39a926"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-22078.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.12.23"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.13.11"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.14.0"
                },
                {
                  "fixed": "6.14.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-22078.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.946826412Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1817c4b85011998604e5ff9a80a6e01adb7e7e81",
        "https://git.kernel.org/stable/c/3db89bc6d973e2bcaa852f6409c98c228f39a926",
        "https://git.kernel.org/stable/c/a915c896f95a989a7759a73f8c064f5dc3775175",
        "https://git.kernel.org/stable/c/bd38395b901327f77a82112f006240de22cf2ceb",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22078.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-22078",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/22xxx/CVE-2025-22078.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-22078",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521536,
  "published_at": "2025-04-16T14:12:28.562+00:00"
}