CVE-2026-3842 Qemu-kvm: hyperv/syndbg: missing mapped-length guard after cpu_physical_memory_map causes host oob write
| Reporter | Title | Published | Views | Family All 45 |
|---|---|---|---|---|
 | CVE-2026-3842 | 16 Jul 202600:20 | – | attackerkb |
 | Astra Linux – Vulnerability in Qemu | 24 Jun 202615:11 | – | astralinux |
 | QEMU Buffer Overflow DoS | 24 Aug 202600:00 | – | bdu_fstec |
 | CVE-2026-3842 affecting package qemu for versions less than 9.1.0-11 | 22 Jul 202622:06 | – | cbl_mariner |
 | CVE-2026-3842 | 16 Jul 202604:24 | – | circl |
 | CVE-2026-3842 | 16 Jul 202600:20 | – | cve |
 | CVE-2026-3842 | 16 Jul 202600:20 | – | debiancve |
 | EulerOS 2.0 SP15 : qemu (EulerOS-SA-2026-3795) | 17 Sep 202600:00 | – | nessus |
| EulerOS 2.0 SP15 : qemu (EulerOS-SA-2026-3820) | 17 Sep 202600:00 | – | nessus |
| Oracle Linux 8 : virt:kvm_utils3 (ELSA-2026-50239) | 27 Apr 202600:00 | – | nessus |
10
[
{
"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"
]
}
]| Source | Link |
|---|---|
| access | www.access.redhat.com/security/cve/CVE-2026-3842 |
| bugzilla | www.bugzilla.redhat.com/show_bug.cgi |
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16 Jul 2026 00:20Current
CVSS 3.17.8
EPSS0.00167
SSVC