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CVE-2026-58094 TOCTOU race in POSIX shared memory large page configuration

🗓️ 26 Aug 2026 05:39:42Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

TOCTOU race in FIOSSHMLPGCNF ioctl for POSIX shared memory allows local privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-58094 TOCTOU race in POSIX shared memory large page configuration
26 Aug 202605:39
cve
freebsd
FreeBSD
FreeBSD -- TOCTOU race in POSIX shared memory large page configuration
25 Aug 202600:00
freebsd
euvd
EUVD
EUVD-2026-66253
26 Aug 202605:39
euvd
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:63.posixshm
25 Aug 202600:00
freebsd_advisory
ptsecurity
Positive Technologies
PT-2026-81937
26 Aug 202600:00
ptsecurity
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "posixshm"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.1-RELEASE",
        "lessThan": "p3"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p13"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p9"
      }
    ]
  }
]

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