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SUSE: 2021:0955-2 Critical Update for Linux Kernel Memory Leak & Overflow

suse
Calendar Grey March 29, 2021
Scroller Suse Esm H88
SUSE Security Patch for ovmf resolves significant vulnerabilities with detailed remediation guidelines and impacted software items included.
An update that fixes two vulnerabilities is now available

Summary

This update for ovmf fixes the following issues: - 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 Linux Enterprise Module for Server Applications 15-SP2: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-972=1 Package List: - SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 x86_64): ovmf-201911-7.11.1 ovmf-tools-201911-7.11.1 - SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):

Topics%20covered

Topics Covered

security advisory moderate security update heap corruption SUSE ovmf recursion

References

#1183578 #1183579

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

CVSS scores:

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 (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 Linux Enterprise Module for Server Applications 15-SP2

https://www.suse.com/security/cve/CVE-2021-28210.html

https://www.suse.com/security/cve/CVE-2021-28211.html

https://bugzilla.suse.com/1183578

https://bugzilla.suse.com/1183579

Announcement ID: SUSE-SU-2021:0972-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update heap corruption SUSE ovmf recursion

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