{
  "cveId": "CVE-2026-89519",
  "url": "https://patchblox.com/security/cve/CVE-2026-89519",
  "summary": "CVE-2026-89519 is fixed in linux on 1 platform by DEBIAN-CVE-2026-89519 (version 7.2.6-1), released September 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  sched_ext: Replace SCX_RQ_BAL_KEEP with a dispat...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  sched_ext: Replace SCX_RQ_BAL_KEEP with a dispatch verdict return  SCX_RQ_BAL_KEEP tells the pick to keep running the previous task, a leftover from when balancing and picking were separate operations. An rq-level flag only works while dispatches and picks pair up one to one, which core scheduling breaks: selections interleave through dispatch\u0027s lock drops and a pick can consume a stale flag, keeping a task that has since been dequeued. Fixing core scheduling support requires the decision to travel with the dispatch that made it. Make scx_dispatch_sched() and balance_one() return an explicit verdict instead and drop the flag\u0027s plumbing from the tools autogen enum headers.  Also factor the pick-side invocation, its follow-up queueing and the post-dispatch checks out of do_pick_task_scx() into dispatch_pick(). No functional changes intended.  v2: Drop the SCX_RQ_BAL_KEEP plumbing from the tools autogen enum headers     as well (Andrea).",
  "published": "2026-09-11T20:19:34Z",
  "severity": "",
  "epss": 0.00198,
  "epssPercentile": 0.09577,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.2.6-1",
      "fix": "DEBIAN-CVE-2026-89519",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-89519",
      "released": "2026-09-23T19:19:02Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T13:31:49Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}