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CVE-2022-23084 Potential jail escape vulnerabilities in netmap

🗓️ 15 Feb 2024 04:52:09Reported by freebsdType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

CVE-2022-23084 Potential jail escape vulnerabilities in netmap. The total size of the user-provided nmreq to nmreq_copyin() was first computed and then trusted during the copyin. This time-of-check to time-of-use bug could lead to kernel memory corruption. On systems configured to include netmap in their devfs_ruleset, a privileged process running in a jail can affect the host environment

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Affected
Refs
[
  {
    "defaultStatus": "unknown",
    "modules": [
      "netmap"
    ],
    "product": "FreeBSD",
    "vendor": "FreeBSD",
    "versions": [
      {
        "lessThan": "p1",
        "status": "affected",
        "version": "13.1-RC1",
        "versionType": "release"
      },
      {
        "lessThan": "p11",
        "status": "affected",
        "version": "13.0-RELEASE",
        "versionType": "release"
      },
      {
        "lessThan": "p5",
        "status": "affected",
        "version": "12.3-RELEASE",
        "versionType": "release"
      }
    ]
  }
]

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