Updated: 2025-08-20 03:16:31.171784
Description:
In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/mem_encrypt_amd.c.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | HIGH | 8.8 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 8.8 | HIGH | Released | CLSA-2025:1743193221 | 2024-09-26 12:49:38 | |
| CentOS 6 ELS | kernel | 2.6.32 | 8.8 | HIGH | Not Vulnerable | 2024-09-11 17:32:56 | ||
| CentOS 7 ELS | kernel | 3.10.0 | 8.8 | HIGH | Ignored | 2024-10-03 15:39:18 | This issue affects Intel TDX, which is not supported in our kernels. A minor impact may apply to AMD... | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 8.8 | HIGH | Released | CLSA-2024:1727690947 | 2024-09-30 11:02:53 | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 8.8 | HIGH | Released | CLSA-2024:1727690025 | 2024-09-30 11:02:54 | |
| CentOS Stream 8 ELS | kernel | 4.18.0 | 8.8 | HIGH | Already Fixed | 2024-09-07 12:15:11 | ||
| CloudLinux 6 ELS | kernel | 2.6.32 | 8.8 | HIGH | Not Vulnerable | 2024-09-11 17:32:56 | ||
| CloudLinux 7 ELS | kernel | 3.10.0 | 8.8 | HIGH | Ignored | 2024-10-21 17:34:09 | This issue affects Intel TDX, which is not supported in our kernels. A minor impact may apply to AMD... | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 8.8 | HIGH | Not Vulnerable | 2024-09-11 17:32:56 | ||
| Oracle Linux 7 ELS | kernel | 3.10.0 | 8.8 | HIGH | Ignored | 2025-05-11 04:36:20 | This issue affects Intel TDX, which is not supported in our kernels. A minor impact may apply to AMD... |