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SUSE: 2021:0694-1 Important Kernel-Firmware DOS Threat Fix

suse
Calendar Grey March 3, 2021
Dist Suse Esm H88
SUSE kernel-firmware release includes crucial security updates to rectify significant vulnerabilities and outlines essential patching guidelines.
An update that fixes four vulnerabilities is now available

Summary

This update for kernel-firmware fixes the following issues: - CVE-2020-12373: Fixed an expired pointer dereference may lead to DOS (bsc#1181738). - CVE-2020-12364: Fixed a null pointer reference may lead to DOS (bsc#1181736). - CVE-2020-12362: Fixed an integer overflow which could have led to privilege escalation (bsc#1181720). - CVE-2020-12363: Fixed an improper input validation which may have led to DOS (bsc#1181735). 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-4.0-2021-694=1 - SUSE Manager Retail Branch Server 4.0:

Topics%20covered

Topics Covered

security advisory privilege escalation important suse dos patch instructions kernel-firmware

References

#1181720 #1181735 #1181736 #1181738

Cross- CVE-2020-12362 CVE-2020-12363 CVE-2020-12364

CVE-2020-12373

CVSS scores:

CVE-2020-12362 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2020-12362 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

CVE-2020-12363 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-12363 (SUSE): 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

CVE-2020-12364 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2020-12364 (SUSE): 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

CVE-2020-12373 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2020-12373 (SUSE): 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

Affected Products:

SUSE Manager Server 4.0

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0694-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation important suse dos patch instructions kernel-firmware

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