The discoverers have named the root vulnerability "Copy Fail". All major distributions since 2017 are affected.
CVE-2026-31431 CVSS 7.8 flaw since 2017 enables root via 732-byte exploit, impacting major Linux distributions.
An exploit has been published for a local privilege escalation vulnerability dubbed "Copy Fail" that impacts Linux kernels released since 2017, allowing an unprivileged local attacker to gain root ...