CISA warns Linux Copy Fail flaw is being exploited to gain root access

CISA has added the Linux kernel vulnerability CVE-2026-31431, known as Copy Fail, to its Known Exploited Vulnerabilities catalog after evidence of active exploitation. The flaw is a high-severity local privilege escalation bug in the Linux kernel’s cryptographic subsystem. An attacker who already has local code execution as an unprivileged user can exploit it to gain […] The post CISA warns Linux Copy Fail flaw is being exploited to gain root access appeared first on VPN Central.