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SUSE: 2021:3454-1 Medium: KDC Null Pointer Dereference Fix

suse
Calendar Grey October 18, 2021
Dist Suse Esm H88
SUSE has released a security update for krb5 addressing a medium severity KDC null pointer vulnerability that impacts several distributions. The patch can now be downloaded.
An update that fixes one vulnerability is now available

Summary

This update for krb5 fixes the following issues: - CVE-2021-37750: Fixed KDC null pointer dereference via a FAST inner body that lacks a server field (bsc#1189929). 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 MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-3454=1 - SUSE Linux Enterprise Module for Server Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-3454=1 - SUSE Linux Enterprise Module for Server Applications 15-SP2: zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-3454=1 - SUSE Linux Enterprise Module for Basesystem 15-SP3:

References

#1189929

Cross- CVE-2021-37750

CVSS scores:

CVE-2021-37750 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE MicroOS 5.0

SUSE Linux Enterprise Module for Server Applications 15-SP3

SUSE Linux Enterprise Module for Server Applications 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-37750.html

https://bugzilla.suse.com/1189929

Announcement ID: SUSE-SU-2021:3454-1
Rating: moderate

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