CVE-2026-98917

Full vulnerability record from the local CVENow database.

Description

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

Severity

Not scored

CVSS score

Not available

Vulnerability status

Received

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-10-23 13:17:12.247000

Last modified

2026-10-26 07:17:17.630000

View original CVE JSON

{
  "id": "CVE-2026-98917",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-10-23T13:17:12.247",
  "lastModified": "2026-10-26T07:17:17.630",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nparisc: Increase kernel stack size to 32kb\n\nFor 64-bit Linux kernels, increase the default kernel stack size\n(THREAD_SIZE_ORDER) to 32 kB, in order to avoid kernel crashes which have been\ntriggered recently when building the debian vtk9 package with gcc 17:\n\nstackcheck: kworker/u128:0 will most likely overflow kernel stack (sp:179a83af0, stk bottom-top:179a80000-179a84000)\nKernel panic - not syncing: low stack detected by irq handler - check messages\nCPU: 2 UID: 0 PID: 30760 Comm: kworker/u128:0 Tainted: G W 6.18.46-dirty #1 NONE\nTainted: [W]=WARN\nHardware name: 9000/800/rp3440\nWorkqueue: writeback wb_workfn (flush-259:0)\nBacktrace:\n [<000000004022f050>] show_stack+0x70/0x90\n [<000000004022378c>] dump_stack_lvl+0x124/0x190\n [<000000004022382c>] dump_stack+0x34/0x48\n [<000000004020212c>] vpanic+0x204/0x648\n [<00000000402025c4>] panic+0x54/0x58\n [<0000000040232230>] do_cpu_irq_mask+0x3f8/0x440\n [<0000000040227070>] intr_return+0x0/0xc"
    }
  ],
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "programFiles": [
            "arch/parisc/include/asm/thread_info.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "da57c5414f49ef9e4bcb9ae0bbafd1d650b31411",
              "lessThan": "5023c70853ad9829c53d8e9def5ee969b4e1b931",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "da57c5414f49ef9e4bcb9ae0bbafd1d650b31411",
              "lessThan": "db45f02b7a5f753efc9003f616dfb5ee4cb6d077",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "da57c5414f49ef9e4bcb9ae0bbafd1d650b31411",
              "lessThan": "94b7e3a7e871ae27d4935c76959dfc61829f27f9",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "ae3471f65a04451f3670cbde6c59e384cca44dc8",
              "versionType": "git",
              "status": "affected"
            },
            {
              "version": "4.14.24",
              "lessThan": "4.15",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "programFiles": [
            "arch/parisc/include/asm/thread_info.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "versions": [
            {
              "version": "4.15",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "4.15",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "6.18.55",
              "lessThanOrEqual": "6.18.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.2.9",
              "lessThanOrEqual": "7.2.*",
              "versionType": "semver",
              "status": "unaffected"
            },
            {
              "version": "7.3",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/5023c70853ad9829c53d8e9def5ee969b4e1b931",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/94b7e3a7e871ae27d4935c76959dfc61829f27f9",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/db45f02b7a5f753efc9003f616dfb5ee4cb6d077",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}