In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | 10 Version 1709 for x64-based Systems |
| Linux | Linux | 10 Version 1803 for 32-bit Systems |
| Linux | Linux | n/a |
| Linux | Linux | Java SE: 6u181 |