DSA-4484: -1 linux -- security update
Published Jul 20, 2019
·Updated
Jann Horn discovered that the ptrace subsystem in the Linux kernel mishandles the management of the credentials of a process that wants to create a ptrace relationship, allowing a local user to obtain root privileges under certain scenarios.
Affected Software
2 affected components
debian/linux
debian/linux
Event History
Jul 20, 2019
Advisory Published
12:00 AM
Frequently Asked Questions
1
Who can exploit this issue?
A local user can exploit the flaw under certain scenarios to obtain root privileges. The provided information does not indicate that remote access alone is sufficient.
2
What access does an attacker need before exploiting it?
The attacker needs local access to the affected Debian Linux system. The issue involves creating a ptrace relationship with another process.