Issued:

2011-05-19

Updated:

2011-05-19

RHEA-2011:0633 - grub enhancement update

Synopsis

grub enhancement update

Type/Severity

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 This content is not included.https://access.redhat.com/kb/docs/DOC-11259

Affected Products

Updated Packages

• grub-debuginfo-0.97-70.el6.x86_64.rpm
• grub-0.97-70.el6.i686.rpm
• grub-debuginfo-0.97-70.el6.i686.rpm
• grub-0.97-70.el6.x86_64.rpm
• grub-0.97-70.el6.src.rpm

Fixes

(none)

CVEs

(none)

References

(none)

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.