In the Linux kernel, the following vulnerability has been resolved: x86/sev: Evict cache lines during SNP memory validation An SNP cache coherency vulnerability requires a cache line eviction mitig…
Critical CVSS 9.3
Summary
In the Linux kernel, the following vulnerability has been resolved: x86/sev: Evict cache lines during SNP memory validation An SNP cache coherency vulnerability requires a cache line eviction mitigation when validating memory after a page state change to private. The specific mitigation is to touch the first and last byte of each 4K page that is being validated. There is no need to perform the mitigation when performing a page state change to shared and rescinding validation. CPUID bit Fn800…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/1fb873971e23c35c53823c62809a474a92bc3022 Patch
- https://git.kernel.org/stable/c/1fec416c03d0a64cc21aa04ce4aa14254b017e6a Patch
- https://git.kernel.org/stable/c/7b306dfa326f70114312b320d083b21fa9481e1e Patch
- https://git.kernel.org/stable/c/a762a4c8d9e768b538b3cc60615361a8cf377de8 Patch
- https://git.kernel.org/stable/c/aed15fc08f15dbb15822b2a0b653f67e76aa0fdf Patch
- https://git.kernel.org/stable/c/f92af52e6dbd8d066d77beba451e0230482dc45b Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Timeline
- nvd_ingest NVD