In the Linux kernel, the following vulnerability has been resolved:
riscv: Fix TASK_SIZE on 64-bit NOMMU
On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASK_SIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 5.5 | 5.10.216 |
| linux / linux_kernel | 5.11 | 5.15.158 |
| linux / linux_kernel | 5.16 | 6.1.90 |
| linux / linux_kernel | 6.2 | 6.6.30 |
| linux / linux_kernel | 6.7 | 6.8.9 |
| linux / linux_kernel | 6.9-rc1 | 6.9-rc1.x |
| linux / linux_kernel | 6.9-rc2 | 6.9-rc2.x |
| linux / linux_kernel | 6.9-rc3 | 6.9-rc3.x |
| linux / linux_kernel | 6.9-rc4 | 6.9-rc4.x |
| linux / linux_kernel | 6.9-rc5 | 6.9-rc5.x |
| debian / debian_linux | 10.0 | 10.0.x |