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CVE-2026-3842

🗓️ 16 Jul 2026 00:20:02Reported by fedoraType 
cve
 cve
🔗 web.nvd.nist.gov👁 19 Views

CVE-2026-3842: QEMU hyperv syndbg may let local guest write beyond memory due to short memory map.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3842
16 Jul 202600:20
attackerkb
AstraLinux
Astra Linux – Vulnerability in Qemu
24 Jun 202615:11
astralinux
Circl
CVE-2026-3842
16 Jul 202604:24
circl
Cvelist
CVE-2026-3842 Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write
16 Jul 202600:20
cvelist
Debian CVE
CVE-2026-3842
1 Jan 197600:00
debiancve
Oracle linux
qemu-kvm security update
24 Apr 202600:00
oraclelinux
EUVD
EUVD-2026-44840
16 Jul 202600:20
euvd
NVD
CVE-2026-3842
16 Jul 202601:16
nvd
OpenVAS
Ubuntu: Security Advisory (USN-8161-1)
13 Apr 202600:00
openvas
Tenable Nessus
Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50239)
27 Apr 202600:00
nessus
Rows per page
[
  {
    "versions": [
      {
        "status": "affected",
        "version": "7.1.0",
        "lessThan": "11.0.0",
        "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": "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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16 Jul 2026 13:51Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.8
EPSS0.00117
SSVC
19