https://reddit.com/r/netsec/comments/1szduu3/copy_fail_exploit_lets_732_bytes_hijack_linux/: Copy Fail exploit lets 732 bytes hijack Linux systems and quietly grab root
Published Apr 29, 2026
·Updated
Affected Software
4 affected components
Linux Linux kernel
Canonical Ubuntu
Red Hat Red Hat Enterprise Linux
SUSE SUSE Linux Enterprise Server
Frequently Asked Questions
1
What is the severity of CVE-2026-31431?
CVE-2026-31431 is considered to be a critical vulnerability that allows normal users to gain root access on Linux systems.
2
How do I fix CVE-2026-31431?
To fix CVE-2026-31431, update your Linux kernel to the latest patched version provided by your distributor.
3
Which Linux distributions are affected by CVE-2026-31431?
CVE-2026-31431 affects major distributions including Ubuntu, RHEL, and SUSE.
4
Can CVE-2026-31431 be exploited remotely?
CVE-2026-31431 is not a remote exploit; an attacker must have local access to execute the exploit.
5
What are the potential impacts of CVE-2026-31431?
The potential impact of CVE-2026-31431 includes unauthorized root access, leading to full control of the affected system.