{
  "cveId": "CVE-2026-74690",
  "url": "https://patchblox.com/security/cve/CVE-2026-74690",
  "summary": "CVE-2026-74690 is fixed in linux on 1 platform, first by DEBIAN-CVE-2026-74690, released September 4, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "s390/ism: Fix UAF of sba and ieq during ism_dev_exit()",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  s390/ism: Fix UAF of sba and ieq during ism_dev_exit()  A ism interrupt handler can be active in parallel with ism_dev_exit(), accessing freed data structures.  No new interrupts will be generated after unregister_ieq(). Drain ongoing interrupt handlers by free_irq(), before freeing ism data structures.",
  "published": "2026-08-22T16:16:43Z",
  "severity": "Moderate",
  "cvss": 8.4,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00142,
  "epssPercentile": 0.03573,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-74690",
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.12.115-2",
      "fix": "DEBIAN-CVE-2026-74690",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-74690",
      "released": "2026-09-04T01:46:23Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.9-1",
      "fix": "DEBIAN-CVE-2026-74690",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-74690",
      "released": "2026-09-04T01:46:23Z"
    }
  ],
  "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"
  }
}