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SUSE: 2022:4154-1 Important: krb5 Null Pointer and Integer Overflow

suse
Calendar Grey November 21, 2022
Dist Suse Esm H88
A KB5 update addresses critical vulnerabilities with two new fixes released for SUSE users.
An update that fixes two vulnerabilities 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). - CVE-2022-42898: Fixed integer overflow in PAC parsing (bsc#1205126). 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: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-4154=1 - SUSE Linux Enterprise Server 15-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-2022-4154=1 - SUSE Linux Enterprise High Performance Computing 15-LTSS: zypper in -t patch SUSE-SLE-Product-HPC-15-2022-4154=1

Topics%20covered

Topics Covered

security advisory important integer overflow fixes SUSE krb5 pointer dereference

References

#1189929 #1205126

Cross- CVE-2021-37750 CVE-2022-42898

CVSS scores:

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

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

CVE-2022-42898 (SUSE): 6.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-ESPOS

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise Server for SAP 15

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

https://www.suse.com/security/cve/CVE-2022-42898.html

https://bugzilla.suse.com/1189929

https://bugzilla.suse.com/1205126

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:4154-1
Rating: important

Topics%20covered

Topics Covered

security advisory important integer overflow fixes SUSE krb5 pointer dereference

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