medium6.3
CVE-2022-1462
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem.
Impact
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | All versions |
| Redhat | Enterprise Linux | Versions 8.0, 9.0 |
| Debian | Debian Linux | Version 10.0 |