Windows Hyper-V Denial of Service Vulnerability
🔗 CVE IDs covered (1)
📋 Description
According to the CVSS metric, the Hyper-V attack vector is adjacent (AV:A). What does that mean for this vulnerability? Where the attack vector metric is Adjacent (A), this represents virtual machines connected via a Hyper-V Network Virtualization (HNV) logical network. This configuration forms an isolation boundary where the virtual machines within the virtual network can only communicate with each other. In this attack vector, the vulnerable component is bound to the network stack, but the attack is limited to systems configured to use the HNV network.
According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? Successful exploitation of this vulnerability could allow a Hyper-V guest to affect the functionality of the Hyper-V host.
🎯 Affected products19
- Windows 10 Version 1607 for x64-based Systems
- Windows 10 Version 1809 for x64-based Systems
- Windows 10 Version 21H1 for x64-based Systems
- Windows 10 Version 21H2 for x64-based Systems
- Windows 10 Version 22H2 for x64-based Systems
- Windows 10 for x64-based Systems
- Windows 11 Version 22H2 for x64-based Systems
- Windows 11 version 21H2 for x64-based Systems
- Windows 8.1 for x64-based systems
- Windows Server 2012
- Windows Server 2012 (Server Core installation)
- Windows Server 2012 R2
- Windows Server 2012 R2 (Server Core installation)
- Windows Server 2016
- Windows Server 2016 (Server Core installation)
- Windows Server 2019
- Windows Server 2019 (Server Core installation)
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
✅ Remediation
KB5021237 (Security Update) — fixed build 10.0.17763.3770 KB5021233 (Security Update) — fixed build 10.0.19043.2364 KB5021249 (Security Update) — fixed build 10.0.20348.1366 KB5021234 (Security Update) — fixed build 10.0.22000.1335 KB5021233 (Security Update) — fixed build 10.0.19044.2364 KB5021255 (Security Update) — fixed build 10.0.22621.993 KB5021233 (Security Update) — fixed build 10.0.19045.2364 KB5021243 (Security Update) — fixed build 10.0.10240.19624 KB5021235 (Security Update) — fixed build 10.0.14393.5582 KB5021294 (Monthly Rollup) — fixed build 6.3.9600.20721 KB5021296 (Security Only) — fixed build 6.3.9600.20721 KB5021285 (Monthly Rollup) — fixed build 6.2.9200.24018 KB5021303 (Security Only) — fixed build 6.2.9200.24018
🔗 References (23)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-44682
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021237
- referencehttps://support.microsoft.com/help/5021237
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021233
- referencehttps://support.microsoft.com/help/5021233
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021249
- referencehttps://support.microsoft.com/help/5021249
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021234
- referencehttps://support.microsoft.com/help/5021234
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021255
- referencehttps://support.microsoft.com/help/5021255
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021243
- referencehttps://support.microsoft.com/help/5021243
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021235
- referencehttps://support.microsoft.com/help/5021235
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021294
- referencehttps://support.microsoft.com/help/5021294
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021296
- referencehttps://support.microsoft.com/help/5021296
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021285
- referencehttps://support.microsoft.com/help/5021285
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5021303
- referencehttps://support.microsoft.com/help/5021303