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CVE-2026-93834 Qemu-kvm: 9pfs: use-after-free race in tlcreate/twalk allows vm guest escape

🗓️ 25 Sep 2026 13:36:17Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

Use-after-free race in QEMU-kvm 9pfs tlcreate/twalk allows guest VM escape.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-93834
26 Sep 202609:42
–githubexploit
circl
Circl
CVE-2026-93834
25 Sep 202614:21
–circl
cve
CVE
CVE-2026-93834
25 Sep 202613:36
–cve
debiancve
Debian CVE
CVE-2026-93834
25 Sep 202613:36
–debiancve
euvd
EUVD
EUVD-2026-87092
25 Sep 202613:36
–euvd
mend
Mend
CVE-2026-93834
25 Sep 202613:36
–mend
mscve
Microsoft CVE
Qemu-kvm: 9pfs: use-after-free race in tlcreate/twalk allows vm guest escape
1 Oct 202608:20
–mscve
nvd
NVD
CVE-2026-93834
25 Sep 202614:17
–nvd
osv-azl
osv-azl
AZL-105278 CVE-2026-93834 affecting package qemu 10.1.0-1
25 Sep 202614:17
–osv-azl
osv-debian
osv-debian
DEBIAN-CVE-2026-93834
25 Sep 202614:17
–osv-debian
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "affected",
    "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-devel:rhel/qemu-kvm",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "virt:rhel/qemu-kvm",
    "defaultStatus": "affected",
    "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": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux for NVIDIA 26",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux_nvidia:"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenStack Platform 13 (Queens)",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "qemu-kvm-rhev",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openstack:13"
    ]
  }
]

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