In the Linux kernel, the following vulnerability has been resolved:
virt: tdx-guest: Just leak decrypted memory on unrecoverable errors
In CoCo VMs it is possible for the untrusted host to cause set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues.
Leak the decrypted memory when set_memory_decrypted() fails, and don't need to print an error since set_memory_decrypted() will call WARN_ONCE().
CVSS Details
- CVSS 3.1 Base Score: 9.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 11, 2025 |
| Ubuntu | — | Upgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-realtimeUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1028-oemUpgrade linux-image-6.8.0-1029-azureUpgrade linux-image-6.8.0-1026-oracleUpgrade linux-image-azure-nvidiaUpgrade linux-image-lowlatencyUpgrade linux-image-virtualUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-1030-gcpUpgrade linux-image-6.8.0-1029-azure-fdeUpgrade linux-image-oem-24.04aUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-60-generic-64kUpgrade linux-image-gcpUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-awsUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.11.0-21-genericUpgrade linux-image-raspi-realtimeUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-oracle-64kUpgrade linux-image-6.8.0-1016-azure-nvidiaUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1028-nvidiaUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-genericUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-lowlatency-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-6.8.0-1029-awsUpgrade linux-image-gkeUpgrade linux-image-nvidiaUpgrade linux-image-6.8.0-60-lowlatency-64kUpgrade linux-image-6.8.0-60-genericUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-ibmUpgrade linux-image-6.8.0-1012-gkeopUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-6.8.0-60-lowlatencyUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1025-gkeUpgrade linux-image-nvidia-6.8Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-azureUpgrade linux-image-6.8.0-1030-gcp-64kUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-raspiUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-azure-fdeUpgrade linux-image-nvidia-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1026-ibmUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.8.1-1022-realtimeUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-6.8.0-1028-nvidia-64kUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-gcp-64kUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1028-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-1028-nvidia-lowlatencyUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1026-oracle-64k | Mar 28, 2025 | Jan 11, 2025 |
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