RHEL 5 : kernel (RHSA-2015:0870)
Medium Nessus Plugin ID 83028
SynopsisThe remote Red Hat host is missing one or more security updates.
DescriptionUpdated kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 5.9 Long Life.
Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
The kernel packages contain the Linux kernel, the core of any Linux operating system.
* It was found that the Linux kernel's Infiniband subsystem did not properly sanitize input parameters while registering memory regions from user space via the (u)verbs API. A local user with access to a /dev/infiniband/uverbsX device could use this flaw to crash the system or, potentially, escalate their privileges on the system.
Red Hat would like to thank Mellanox for reporting this issue.
All kernel users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. The system must be rebooted for this update to take effect.
SolutionUpdate the affected packages.