Lucene search
+L

CVE-2026-49427 posixshm: largepage shared memory objects not explicitly wired

🗓️ 19 Aug 2026 05:56:53Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE-2026-49427: largepage posixshm objects freed by sendfile SF_NOCACHE cause UAF, enabling privilege escalation.

Related
Affected
Refs
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "posixshm"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.1-RELEASE",
        "lessThan": "p1"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "15.0-RELEASE",
        "lessThan": "p11"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.4-RELEASE",
        "lessThan": "p7"
      },
      {
        "status": "affected",
        "versionType": "release",
        "version": "14.3-RELEASE",
        "lessThan": "p16"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation