{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c6e61c06d6061750597e79c598acb5dead44c35b"
            },
            {
              "fixed": "8d7cbc6df9632d334b21c4be66ccdde76a08fb13"
            },
            {
              "fixed": "e79ca91165d4fd18549c536abdb86101e889052f"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "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-2026-90304.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9484/1: enable interrupts when unhandled user faults are triggered\n\nPREEMPT_RT requires interrupts to be enabled when sending signals.\n\nWhen do_DataAbort()/do_PrefetchAbort() triggers unhandled user faults,\nthat is `inf-\u003efn()` return a non-zero value, and the interrupts are not\nenabled within the hook function, force_sig_fault() will be called\nwith interrupts disabled.\n\nThis can be triggered by user programs executing the bkpt instruction,\nwith kernel config CONFIG_PERF_EVENTS=n.\n\nEnable interrupts in do_DataAbort()/do_PrefetchAbort() when unhandled\nuser faults are triggered to fix the issue.",
  "id": "CVE-2026-90304",
  "modified": "2026-09-19T03:30:22.757219930Z",
  "published": "2026-09-17T16:08:27.095Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8d7cbc6df9632d334b21c4be66ccdde76a08fb13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e79ca91165d4fd18549c536abdb86101e889052f"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90304.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90304"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ARM: 9484/1: enable interrupts when unhandled user faults are triggered"
}