The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 5.5 | Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | 12.6(1)_ET3 |