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CVE-2026-80676

🗓️ 28 Aug 2026 06:49:14Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 56 Views

UAF in Linux kernel Hyper-V vmbus driver via unlocked driver_override access during driver attach.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-2057)
18 Aug 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-2071)
31 Aug 202600:00
–nessus
nessus
Tenable Nessus
AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1786350974)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
AlmaLinux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1780562693)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1791730242)
16 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1792979985)
26 Oct 202600:00
–nessus
nessus
Tenable Nessus
CentOS Linux 8 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1783790425)
30 Sep 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9.6 [TuxCare] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1780562693)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Ubuntu 26.04 LTS : Linux kernel vulnerabilities (USN-8887-1)
14 Oct 202600:00
–nessus
nessus
Tenable Nessus
Ubuntu 26.04 LTS : Linux kernel (Azure) vulnerabilities (USN-8888-1)
14 Oct 202600:00
–nessus
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.20–6.6.160
linuxlinux_kernelRange6.7.0–6.12.97
linuxlinux_kernelRange6.13.0–6.18.40
linuxlinux_kernelRange6.19.0–7.1.5
linuxlinux_kernelRange7.2.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hv/vmbus_drv.c",
      "include/linux/hyperv.h"
    ],
    "versions": [
      {
        "version": "d765edbb301c0e196015a59b17420558088ea33f",
        "lessThan": "a1656234a4a2dc6e975546867887c5f63e4a90f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d765edbb301c0e196015a59b17420558088ea33f",
        "lessThan": "d1cb12ae81d2f7a58b0b1cfb51862afca98e6058",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d765edbb301c0e196015a59b17420558088ea33f",
        "lessThan": "0e2f0833556c8c5269deb457b89d538644a3b747",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d765edbb301c0e196015a59b17420558088ea33f",
        "lessThan": "2fb010ea7ca98cd09a6d365260b769f627e73a76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d765edbb301c0e196015a59b17420558088ea33f",
        "lessThan": "331d8900121a1d74ecd45cd2db742ddcb5a0a565",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/hv/vmbus_drv.c",
      "include/linux/hyperv.h"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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21 Oct 2026 13:19Current
6Medium risk
Vulners AI Score6
EPSS0.00209
56