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...

Design/Logic Flaw

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: Covert Timing Channel

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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an unauthorized memory access vulnerability in the cpuentryarea mapping of the X86 CPU...

CVE-2023-0597: Exposure of Sensitive Information to an Unauthorized Actor

A flaw possibility of memory leak in the Linux kernel cpuentryarea mapping of X86 CPU data to memory was found in the way user can guess location of exception stacks or other important data. A local user could use this flaw to get access to some important data with expected location in memory...