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Alerts This Week
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SUSE: 2020:2073-1 Critical: Grub2 Buffer Overflow Security Update

suse
Calendar Grey July 29, 2020
Dist Suse Esm H88
SUSE Security Alert for grub2 addresses critical vulnerabilities with significant patches. Ensure your systems are secure by implementing these upgrades.
An update that fixes 7 vulnerabilities is now available

Summary

This update for grub2 fixes the following issues: - Fix for CVE-2020-10713 (bsc#1168994) - Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 (bsc#1173812) - Fix for CVE-2020-15706 (bsc#1174463) - Fix for CVE-2020-15707 (bsc#1174570) - Use overflow checking primitives where the arithmetic expression for buffer allocations may include unvalidated data - Use grub_calloc for overflow check and return NULL when it would occur - Use gcc-9 compiler for overflow check builtins - Backport gcc-9 build fixes 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: - SUSE Linux Enterprise Server for SAP 15:

Topics%20covered

Topics Covered

security advisory software update important system patch SUSE Linux grub2

References

#1168994 #1173812 #1174463 #1174570

Cross- CVE-2020-10713 CVE-2020-14308 CVE-2020-14309

CVE-2020-14310 CVE-2020-14311 CVE-2020-15706

CVE-2020-15707

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

https://www.suse.com/security/cve/CVE-2020-10713.html

https://www.suse.com/security/cve/CVE-2020-14308.html

https://www.suse.com/security/cve/CVE-2020-14309.html

https://www.suse.com/security/cve/CVE-2020-14310.html

https://www.suse.com/security/cve/CVE-2020-14311.html

https://www.suse.com/security/cve/CVE-2020-15706.html

https://www.suse.com/security/cve/CVE-2020-15707.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2020:2073-1
Rating: important

Topics%20covered

Topics Covered

security advisory software update important system patch SUSE Linux grub2

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