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CVE-2025-11234

🗓️ 03 Oct 2025 10:30:34Reported by redhatType 
cve
 cve🔗 web.nvd.nist.gov👁 83 Views

Qemu-kvm VNC WebSocket handshake use-after-free leaks a GSource, enabling DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-11234
3 Oct 202510:30
–attackerkb
Tenable Nessus		Amazon Linux 2 : qemu, --advisory ALAS2-2025-3044 (ALAS-2025-3044)
28 Oct 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0076: qemu-kvm (ALINUX3-SA-2026:0076)
21 Apr 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : qemu-kvm (ALSA-2026:1831)
10 Feb 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2026:5578)
26 Mar 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.1 : qemu (EulerOS-SA-2026-2156)
6 Jun 202600:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.13.0 : qemu (EulerOS-SA-2026-2195)
6 Jun 202600:00
–nessus
Tenable Nessus		MiracleLinux 9 : qemu-kvm-10.1.0-17.el9.ML.1 (AXSA:2026-1134:02)
6 Jul 202600:00
–nessus
Tenable Nessus		openSUSE 16 Security Update : qemu (openSUSE-SU-2025:20171-1)
24 Dec 202500:00
–nessus
Tenable Nessus		Oracle Linux 10 : qemu-kvm (ELSA-2026-1831)
4 Feb 202600:00
–nessus
Rows per page
Vulners
Node
OR
qemuqemuRange2.6.0–10.1.2
redhatenterprise_linuxMatch10.1
redhatenterprise_linuxMatch8appstream
redhatenterprise_linuxMatch8crb
redhatenterprise_linuxMatch9appstream
redhatrhel_e4sMatch9.0appstream
redhatrhel_e4sMatch9.2appstream
redhatrhel_eusMatch9.4appstream
redhatopenshiftMatch4.16el9
redhatopenshiftMatch4.17el9
redhatopenshiftMatch4.18el9
[
  {
    "versions": [
      {
        "status": "affected",
        "version": "2.6.0",
        "lessThan": "10.1.2",
        "versionType": "semver"
      }
    ],
    "packageName": "qemu",
    "collectionURL": "https://gitlab.com/qemu-project/qemu",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "18:10.0.0-14.el10_1.5",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "virt-devel:rhel",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8100020251120003312.489197e6",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream",
      "cpe:/a:redhat:enterprise_linux:8::crb"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "virt:rhel",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "8100020251202222937.489197e6",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8::appstream",
      "cpe:/a:redhat:enterprise_linux:8::crb"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "17:10.1.0-17.el9_8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "17:6.2.0-11.el9_0.10",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_e4s:9.0::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "17:7.2.0-14.el9_2.24",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_e4s:9.2::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "17:8.2.0-11.el9_4.18",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.4::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "17:8.2.0-11.el9_4.19",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:9.4::appstream"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.16",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "416.94.202601071926-0",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.16::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.17",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "417.94.202601120213-0",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.17::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.18",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "418.94.202601071817-0",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:openshift:4.18::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm-ma",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  }
]

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17 Jun 2026 08:29Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.5
EPSS0.00783
SSVC
CWE-416
qemu-kvmvnc websockethandshakeuse after freegsourcedenial of service
83