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SUSE: 2021:2161-1 Important: OVMF Buffer Overflow and Heap Corruption

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Calendar Grey June 25, 2021
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Ubuntu Security Patch addresses multiple flaws in grub2 that are critical updates. Ensure your installations are updated for better protection.
An update that solves two vulnerabilities and has one errata is now available

Summary

This update for ovmf fixes the following issues: - Fixed a possible buffer overflow in IScsiDxe (bsc#1186151) - CVE-2021-28211: ovmf: edk2: possible heap corruption with LzmaUefiDecompressGetInfo (bsc#1183578) - CVE-2021-28210: ovmf: unlimited FV recursion, round 2 (bsc#1183579) 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 Manager Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-2161=1 - SUSE Manager Retail Branch Server 4.0: zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-2161=1 - SUSE Manager Proxy 4.0:

Topics%20covered

Topics Covered

security advisory buffer overflow heap corruption important SUSE Linux SUSE update ovmf

References

#1183578 #1183579 #1186151

Cross- CVE-2021-28210 CVE-2021-28211

CVSS scores:

CVE-2021-28210 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-28210 (SUSE): 5.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H

CVE-2021-28211 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2021-28211 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE Manager Server 4.0

SUSE Manager Retail Branch Server 4.0

SUSE Manager Proxy 4.0

SUSE Linux Enterprise Server for SAP 15-SP1

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-SP1-LTSS

SUSE Linux Enterprise Server 15-SP1-BCL

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2161-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow heap corruption important SUSE Linux SUSE update ovmf

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