CVE-2023-3640 vulnerabilities

Vulnerabilities for packages: linux-qemu-melange, linux-qemu, linux-vmware...

Linux Distros Unpatched Vulnerability : CVE-2023-3640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A possible unauthorized memory access flaw was found in the Linux kernel's cpuentryarea mapping of X86 CPU data to memory, where a user may guess the location o...

CVE-2023-3640

CVE-2023-3640 – summary (Linux kernel x86 per-CPU entry area leak) A local memory leakage flaw was identified in the Linux kernel’s cpu_entry_area mapping for X86, enabling a local user to infer addresses of exception stacks and other kernel data. The vulnerability stems from partial randomness o...

CVE-2023-3640 Kernel: x86/mm: a per-cpu entry area leak was identified through the init_cea_offsets function when prefetchnta and prefetcht2 instructions being used for the per-cpu entry area mapping to the user space

A possible unauthorized memory access flaw was found in the Linux kernel's cpuentryarea mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implement...

CVE-2023-3640

A possible unauthorized memory access flaw was found in the Linux kernel's cpuentryarea mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implement...