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CVE-2026-10677 Kernel heap memory leak in `z_vrfy_k_poll()` lets an unprivileged user thread exhaust the kernel resource pool

🗓️ 21 Jul 2026 21:30:54Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

Fixes heap leak in z_vrfy_k_poll by freeing on error to stop DoS from unprivileged threads.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-10677
21 Jul 202622:32
circl
CVE
CVE-2026-10677
21 Jul 202621:30
cve
EUVD
EUVD-2026-46446
21 Jul 202621:30
euvd
NVD
CVE-2026-10677
21 Jul 202622:16
nvd
OSV
CVE-2026-10677 Kernel heap memory leak in `z_vrfy_k_poll()` lets an unprivileged user thread exhaust the kernel resource pool
21 Jul 202621:30
osv
Positive Technologies
PT-2026-62124
21 Jul 202600:00
ptsecurity
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "kernel/poll.c"
    ],
    "versions": [
      {
        "version": "1.12.0",
        "status": "affected",
        "lessThan": "4.5.0",
        "versionType": "semver"
      }
    ]
  }
]

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