AMD: CVE-2023-20585 IOMMU Write Buffer Vulnerability
CVE-2023-20585 is fixed in 18 products on 2 platforms, first by KB5083769, released April 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.
<p>The vulnerability assigned to this CVE could lead to corruption of guest encrypted memory. The mitigation for this vulnerability requires a Windows update. This CVE is being documented in the Security Update Guide to announce that the latest builds of Windows enable the mitigation and provide protection against the vulnerability.</p> <p>Please see the following for more information:</p> <ul> <li>[https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3016.html]</li> </ul>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 11 Version 24H2 for x64-based Systems | KB5083769 | Apr 14, 2026 | |
| Windows 11 Version 25H2 for x64-based Systems | KB5083769 | Apr 14, 2026 | |
| Windows Server 2025 | 26100.32690 | KB5082063 | Apr 14, 2026 |
| Windows Server 2025 (Server Core installation) | 26100.32690 | KB5082063 | Apr 14, 2026 |
| Linux | |||
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.73.2 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.73.2 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.73.2 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.73.2.150700.17.41.4 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.34.1.160000.2.15 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.73.1 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_18 · sles 15.7 | 1-150700.1.5.1 | SUSE-SU-2026:3130-1 | Jul 20, 2026 |
| kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-livepatch-SLE15-SP7_Update_19 · sles 15.7 | 1-150700.15.3.4 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.73.2 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.73.1 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.73.1 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.73.2 | SUSE-SU-2026:3166-1 | Jul 21, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.34.1 | SUSE-SU-2026:22087-1 | Jun 5, 2026 |
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