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Important kernel security update: CVE-2017-1000251 and other; new kernel 2.6.32-042stab125.1, Virtuozzo 6.0 Update 12 Hotfix 15 (6.0.12-3684)

Last Updated: Sep 26, 2017 12:22PM UTC

Issue date: 2017-09-26

Affected products: Virtuozzo 6.0

Virtuozzo Advisory ID: VZA-2017-085

1. Overview

This update provides the new kernel 2.6.32-042stab125.1 for Virtuozzo 6.0 based on the Red Hat Enterprise Linux 6.9 kernel 2.6.32-696.10.2.el6. This update inherits a security fix from the original RHEL kernel and provides internal security fixes.

2. Security Fixes

  • [Important] Kernel crash due to missing error handling for negatively instantiated keys. (PSBM-72416)
  • [Important] A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. (CVE-2017-1000251)
  • [Moderate] The iscsi_if_rx function in drivers/scsi/scsi_transport_iscsi.c in the Linux kernel through 4.13.2 allows local users to cause a denial of service (panic) by leveraging incorrect length validation. (CVE-2017-14489)

3. Installing the Update

Install the update by running 'yum update'.

4. References

The JSON file with the list of new and updated packages is available at http://docs.virtuozzo.com/vza/VZA-2017-085.json.

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