In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | 12.2(9)YO3 |
| Linux | Linux | 12.2(9)YO2 |
| Linux | Linux | 10 for x64-based Systems |
| Linux | Linux | 10 Version 1809 for 32-bit Systems |