In the Linux kernel, the following vulnerability has been resolved:
virt: sev-guest: Explicitly leak pages in unknown state
When set_memory_{encrypted,decrypted}() fail, the user cannot know at which point the function failed, meaning that the pages are left in an unknown state from the point of view of the caller.
Since the pages may be left in an unencrypted state, they are not suitable for general use, and cannot be returned safely to the buddy allocator. Avoid the issue by never freeing the pages, and then do the proper accounting by calling snp_leak_pages().
CVSS Details
- CVSS 3.1 Base Score: 8.7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-tools-debuginfoUpgrade bpftool6.18-debuginfoUpgrade perf6.18Upgrade kernel6.18-debuginfo-common-aarch64Upgrade perf6.18-debuginfoUpgrade python3-perf6.18-debuginfoUpgrade kernel6.18-modules-extra-commonUpgrade bpftool6.18Upgrade python3-perf6.18Upgrade kernel-livepatch-6.18.35-68.127Upgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-headersUpgrade kernel6.18Upgrade kernel6.18-debuginfoUpgrade kernel6.18-develUpgrade kernel6.18-toolsUpgrade microvm-kernel6.18Upgrade kernel6.18-tools-develUpgrade kernel6.18-modules-extra | Aug 10, 2026 | Jul 19, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-awsUpgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-ibmUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-azure-fdeUpgrade linux-image-raspi-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-azure-fde-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-oracleUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1008-oracle-64kUpgrade linux-image-7.0.0-1010-azureUpgrade linux-image-aws-64k-7.0Upgrade linux-image-nvidia-bosUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-raspi-realtimeUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-ibm-7.0Upgrade linux-image-nvidiaUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-azure-7.0Upgrade linux-image-7.0.0-1008-oracleUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-oracle-7.0Upgrade linux-image-gcpUpgrade linux-image-oracle-64k-7.0Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-1010-ibmUpgrade linux-image-7.0.0-1009-azure-fdeUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-7.0.0-1014-azureUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-7.0.0-1009-awsUpgrade linux-image-oracle-64k | Jul 21, 2026 | Jul 20, 2026 |
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