parisc: Increase kernel stack size to 32kb

{
  "id": "7a078a46168624719445d3ea45973fedf874e143e05a34c6a2ca6f4931d3cf17",
  "url": "https://osv.dev/vulnerability/CVE-2026-98917",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "parisc: Increase kernel stack size to 32kb",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: parisc: Increase kernel stack size to 32kb For 64-bit Linux kernels, increase the default kernel stack size (THREAD_SIZE_ORDER) to 32 kB, in order to avoid kernel crashes which have been triggered recently when building the debian vtk9 package with gcc 17: stackcheck: kworker/u128:0 will most likely overflow kernel stack (sp:179a83af0, stk bottom-top:179a80000-179a84000) Kernel panic - not syncing: low stack detected by irq handler - check messages CPU: 2 UID: 0 PID: 30760 Comm: kworker/u128:0 Tainted: G W 6.18.46-dirty #1 NONE Tainted: [W]=WARN Hardware name: 9000/800/rp3440 Workqueue: writeback wb_workfn (flush-259:0) Backtrace: [<000000004022f050>] show_stack+0x70/0x90 [<000000004022378c>] dump_stack_lvl+0x124/0x190 [<000000004022382c>] dump_stack+0x34/0x48 [<000000004020212c>] vpanic+0x204/0x648 [<00000000402025c4>] panic+0x54/0x58 [<0000000040232230>] do_cpu_irq_mask+0x3f8/0x440 [<0000000040227070>] intr_return+0x0/0xc",
    "evidence": "osv:CVE-2026-98917",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.18.55",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-98917",
      "aliases": [
        "CVE-2026-98917"
      ],
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              "type": "ECOSYSTEM",
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      ],
      "modified": "2026-10-28T02:30:50.334017843Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931",
        "https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9",
        "https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98917.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-98917",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
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        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98917.json"
      }
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      {
        "value": "CVE-2026-98917",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518983,
  "published_at": "2026-10-23T12:01:46.42+00:00"
}