(RHSA-2012:0061) Important: kernel-rt security update

ID RHSA-2012:0061
Type redhat
Reporter RedHat
Modified 2018-06-07T08:58:29


The kernel-rt packages contain the Linux kernel, the core of any Linux operating system.

This update fixes the following security issue:

  • It was found that permissions were not checked properly in the Linux kernel when handling the /proc/[pid]/mem writing functionality. A local, unprivileged user could use this flaw to escalate their privileges. Refer to Red Hat Knowledgebase article DOC-69129, linked to in the References, for further information. (CVE-2012-0056, Important)

Red Hat would like to thank Jüri Aedla for reporting this issue.

Users should upgrade to these updated packages, which correct this issue. The system must be rebooted for this update to take effect.