RHEA-2011:0633 - Product Enhancement Advisory

Topic

An updated grub package that adds two enhancements is now available for Red Hat
Enterprise Linux 6.

Description

The GRUB utility is responsible for booting the operating system kernel.

This update adds the following enhancements:

• Prior to this update, GRUB only supported the MD5 password encryption. This

update introduces support for the SHA-2 cryptographic algorithms, allowing users
to encrypt passwords using SHA-256 and SHA-512 hash functions as well.
(BZ#553741)

• GRUB has been updated to allow booting from disk drives with 4KB sector size

on UEFI systems. (BZ#654869)

All users of grub are advised to upgrade to this updated package, which adds
these enhancements.

Solution

Before applying this update, make sure that all previously-released errata
relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 x86_64
• Red Hat Enterprise Linux Server from RHUI 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Workstation 6 x86_64

Fixes

CVEs

(none)

References

(none)