Debian Security Advisory

DSA-4484-1 linux -- security update

Date Reported:
20 Jul 2019
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2019-13272.
More information:

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.

For the oldstable distribution (stretch), this problem has been fixed in version 4.9.168-1+deb9u4.

For the stable distribution (buster), this problem has been fixed in version 4.19.37-5+deb10u1. This update includes as well a patch for a regression introduced by the original fix for CVE-2019-11478 (#930904).

We recommend that you upgrade your linux packages.

For the detailed security status of linux please refer to its security tracker page at: