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CVE-2026-45256 Missing permission check in thr_kill2(2)

🗓️ 26 Jun 2026 14:43:22Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

Missing permission check in thr_kill2(2) enables local users to signal any process, risking DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Missing permission check in thr_kill2(2)
9 Jun 202600:00
–freebsd
cve
CVE
CVE-2026-45256
26 Jun 202614:43
–cve
euvd
EUVD
EUVD-2026-39776
26 Jun 202615:32
–euvd
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:25.thr
9 Jun 202600:00
–freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Missing permission check in thr_kill2(2) (91163897-6472-11f1-958d-bc241121aa0a)
11 Jun 202600:00
–nessus
mend
Mend
CVE-2026-45256
26 Jun 202614:43
–mend
nvd
NVD
CVE-2026-45256
26 Jun 202615:16
–nvd
packetstormnews
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:25.thr
9 Jun 202600:00
–packetstormnews
ptsecurity
Positive Technologies
PT-2026-52723
26 Jun 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-45256: Improper Privilege Management
26 Jun 202600:00
–rapid7
Rows per page
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "thr"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p10"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p6"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.3-RELEASE",
        "lessThan": "p15"
      }
    ]
  }
]

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