In the Linux kernel, the following vulnerability has been resolved:serial: Fix potential null-ptr-deref in mlb_usio_probe()devm_ioremap() can return NULL on error. Currently, mlb_usio_probe()does not check for this case, which could result in a NULL pointerdereference.Add NULL check after devm_ioremap() to prevent this issue.
No PoCs from references.
- https://github.com/w4zu/Debian_security