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CVE-2026-0665 Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq

🗓️ 18 Feb 2026 20:50:03Reported by fedoraType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Off-by-one heap error in Qemu KVM Xen support enables out-of-bounds access via physdev calls, risking memory corruption.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-0665
6 Feb 202614:39
circl
CNNVD
QEMU 安全漏洞
18 Feb 202600:00
cnnvd
CVE
CVE-2026-0665
18 Feb 202620:50
cve
Debian CVE
CVE-2026-0665
18 Feb 202620:50
debiancve
Oracle linux
virt:kvm_utils3 bug fix update
24 Apr 202600:00
oraclelinux
Oracle linux
qemu-kvm security update
24 Apr 202600:00
oraclelinux
NVD
CVE-2026-0665
18 Feb 202621:16
nvd
Tenable Nessus
openSUSE 16 Security Update : qemu (openSUSE-SU-2026:20357-1)
15 Mar 202600:00
nessus
Tenable Nessus
Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50239)
27 Apr 202600:00
nessus
Tenable Nessus
Oracle Linux 9 : qemu-kvm (ELSA-2026-50241)
28 Apr 202600:00
nessus
Rows per page
[
  {
    "versions": [
      {
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver",
        "lessThanOrEqual": "10.2.0"
      }
    ],
    "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": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "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": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "virt:rhel/qemu-kvm",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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