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CVE-2026-45251 Kernel use-after-free via file descriptor syscalls

🗓️ 21 May 2026 09:04:52Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Kernel use-after-free occurs when a file descriptor is closed during poll or select wait, risking local privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45251
21 May 202609:04
attackerkb
Circl
CVE-2026-45251
21 May 202613:38
circl
CNNVD
FreeBSD 资源管理错误漏洞
21 May 202600:00
cnnvd
CVE
CVE-2026-45251
21 May 202609:04
cve
FreeBSD
FreeBSD -- Kernel use-after-free via file descriptor syscalls
20 May 202600:00
freebsd
EUVD
EUVD-2026-31256
21 May 202609:04
euvd
FreeBSD Advisory
FreeBSD-SA-26:19.file
20 May 202600:00
freebsd_advisory
Tenable Nessus
FreeBSD : FreeBSD -- Kernel use-after-free via file descriptor syscalls (ee21f41f-54b5-11f1-8d7a-bc241121aa0a)
21 May 202600:00
nessus
NVD
CVE-2026-45251
21 May 202610:16
nvd
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:19.file
20 May 202600:00
packetstormnews
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "file"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p9"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p5"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.3-RELEASE",
        "lessThan": "p14"
      }
    ]
  }
]

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