{"nessus": [{"lastseen": "2023-10-15T15:38:03", "description": "Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, or information leak.\n\n - CVE-2018-12207 It was discovered that on Intel CPUs supporting hardware virtualisation with Extended Page Tables (EPT), a guest VM may manipulate the memory management hardware to cause a Machine Check Error (MCE) and denial of service (hang or crash).\n\n The guest triggers this error by changing page tables without a TLB flush, so that both 4 KB and 2 MB entries for the same virtual address are loaded into the instruction TLB (iTLB). This update implements a mitigation in KVM that prevents guest VMs from loading 2 MB entries into the iTLB. 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A local user permitted to use the GPU can use this for denial of service.\n\nThis update mitigates the issue through changes to the i915 driver.\n\nThe affected chips (gen8 and gen9) are listed at <https://en.wikipedia.org/wiki/List_of_Intel_graphics_proces sing_units#Gen8>;.\n\nCVE-2019-0155\n\nIntel discovered that their 9th generation and newer GPUs are missing a security check in the Blitter Command Streamer (BCS). 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Debian LTS: Security Advisory for linux-4.9 (DLA-1990-1)
