CVE-2024-35988

A vulnerability was found in the Linux kernel affecting the riscv architecture on 64-bit NOMMU systems. The issue stems from an incorrect definition of TASKSIZE, which causes failures in userspace access routines when there is RAM above 4GB. The vulnerability affects the file...

CVE-2024-35988 riscv: Fix TASK_SIZE on 64-bit NOMMU

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASKSIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASKSIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access...

CVE-2024-35988 riscv: Fix TASK_SIZE on 64-bit NOMMU

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASKSIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASKSIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access...

CVE-2024-35988

CVE-2024-35988 concerns the Linux kernel RISCV NOMMU patch that corrects TASK_SIZE for 64-bit NOMMU. The current TASK_SIZE definition caused spurious failures in userspace memory access when any RAM above 4 GiB existed, leading to incorrect memory access behavior. The vulnerability is resolved by...

CVE-2024-35987 riscv: Fix loading 64-bit NOMMU kernels past the start of RAM

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix loading 64-bit NOMMU kernels past the start of RAM commit 3335068f8721 "riscv: Use PUD/P4D/PGD pages for the linear mapping" added logic to allow using RAM below the kernel load address. However, this does not work for...