{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0e2a9a03106cd5fa0dbc9047675e7645c55e2669"
            },
            {
              "fixed": "3d11d2a6c9a10de287e0f1b53a5e65d16afe2760"
            },
            {
              "fixed": "413b0b94d6d06b8d49735280e86a01dac90cf177"
            },
            {
              "fixed": "b3d73e7440e0c40644285be1bda349cdf90122d8"
            },
            {
              "fixed": "fc4f2f99530298a1739226947aa76525142d421d"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.11.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90192.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: qcom-cpucp: handle NULL data in send_data callback\n\nmailbox_clear_channel() calls mbox_send_message() with NULL data to\nnotify the remote side that the RX channel has been cleared.\nqcom_cpucp_mbox_send_data() blindly dereferenced the data pointer,\ncausing a NULL pointer dereference kernel panic when invoked from\nthis path under PREEMPT_RT.\n\nAdd an explicit NULL check and return early without writing to the\nTX register, which is the correct behaviour for a channel-clear\nnotification.",
  "id": "CVE-2026-90192",
  "modified": "2026-09-19T03:30:51.802620583Z",
  "published": "2026-09-17T16:07:12.995Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3d11d2a6c9a10de287e0f1b53a5e65d16afe2760"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/413b0b94d6d06b8d49735280e86a01dac90cf177"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b3d73e7440e0c40644285be1bda349cdf90122d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc4f2f99530298a1739226947aa76525142d421d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90192.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90192"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "mailbox: qcom-cpucp: handle NULL data in send_data callback"
}