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CVE-2026-10671 User thread can re-initialize an in-use `k_pipe`, corrupting kernel wait queues (`CONFIG_USERSPACE`)

🗓️ 14 Jul 2026 15:02:03Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

In Zephyr's kernel pipe implementation, the userspace syscall verifier z_vrfy_k_pipe_init() in kernel/pipe.c used K_SYSCALL_OBJ() (which requires the kernel object to already be initialized) instead of K_SYSCALL_OBJ_NEVER_INIT() (which rejects an ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-10671
14 Jul 202615:02
cve
EUVD
EUVD-2026-43698
14 Jul 202615:02
euvd
NVD
CVE-2026-10671
14 Jul 202615:16
nvd
Positive Technologies
PT-2026-58038
14 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-10671 User thread can re-initialize an in-use `k_pipe`, corrupting kernel wait queues (`CONFIG_USERSPACE`)
14 Jul 202615:02
vulnrichment
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "kernel/pipe.c"
    ],
    "versions": [
      {
        "version": "4.1.0",
        "status": "affected",
        "lessThan": "4.5.0",
        "versionType": "semver"
      }
    ]
  }
]

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14 Jul 2026 18:38Current
CVSS 3.17.1
5