Threats tagged 'ghsa-gc3m-rhhg-qfw6'

CVE-2026-31742 is a high-severity vulnerability in the Linux kernel's virtual terminal (vt) subsystem. It involves improper handling of the unicode buffer when exiting the alternate screen after a console resize. This flaw can cause out-of-bounds memory access leading to a kernel crash (oops). The issue arises because the saved unicode buffer does not get updated after a resize, resulting in mismatched buffer dimensions. The vulnerability has been fixed by freeing the stale buffer if console dimensions changed during alternate screen usage.