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AUSCERT External Security Bulletin Redistribution
ESB-2019.1021
SUSE-SU-2019:13989-1 Security update for grub2
28 March 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: grub2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2017-9763
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-201913989-1.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than SUSE. It is recommended that administrators
running grub2 check for an updated version of the software for their
operating system.
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SUSE Security Update: Security update for grub2
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:13989-1
Rating: moderate
References: #1045063 #1124662
Cross-References: CVE-2017-9763
Affected Products:
SUSE Linux Enterprise Server 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________
An update that solves one vulnerability and has one errata is now available.
Description:
This update for grub2 fixes the following issues:
Security issue fixed:
o CVE-2017-9763: Fixed a memory leak in grub_ext2_read_block (bsc#1045063)
Other issues addressed:
o Added support for tftp block counter roll-over and backported support for
efinetSNP open (bsc#1124662).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Server 11-SP4:
zypper in -t patch slessp4-grub2-13989=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-grub2-13989=1
Package List:
o SUSE Linux Enterprise Server 11-SP4 (x86_64):
grub2-x86_64-efi-2.00-0.66.8.1
grub2-x86_64-xen-2.00-0.66.8.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (x86_64):
grub2-debuginfo-2.00-0.66.8.1
grub2-debugsource-2.00-0.66.8.1
References:
o https://www.suse.com/security/cve/CVE-2017-9763.html
o https://bugzilla.suse.com/1045063
o https://bugzilla.suse.com/1124662
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