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Linux Kernel Patched For AMD SEV-SNP Cache Coherency Vulnerability
This Patch Tuesday the only new security fix merged to the Linux kernel is addressing a vulnerability affecting AMD SEV-SNP secure virtual machines.
Because while math tells us that there are only about 17k different combinations of three-letter acronyms using English letters (26^3), I am convinced that somehow Intel, AMD and ARM have together figured out new mathematics, and have at least a million different TLAs that they use. Some newer processors or at least via firmware update are not affected by this SNP cache coherency vulnerability. "Improper management of cache coherency by the CPU could allow a privileged attacker with hypervisor access to overwrite SEV-SNP guest memory, resulting in loss of data integrity."
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