CVE-2019-13272 – Linux Kernel Improper Privilege Management Vulnerability

https://notcve.org/view.php?id=CVE-2019-13272

16 Jul 2019 — In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect mar... • https://packetstorm.news/files/id/165051 • CWE-271: Privilege Dropping / Lowering Errors •