SUSE-SU-2026:24493-1: Security update for the Linux Kernel (Live Patch 31 for SUSE Linux Enterprise Micro 6.0)

Q: Which kernel update includes the fix?

The fix is included in the SUSE Linux Enterprise Kernel update version 6.4.0-159998.54.1.

Q: What subsystem is addressed by this update?

The update addresses IPv4 handling of inet_opt and ireq_opt, ensuring they are freed after an RCU grace period.

Published Nov 2, 2026

Updated

This update for the SUSE Linux Enterprise Kernel 6.4.0-159998.54.1 fixes one security issue:

The following security issue was fixed:

- CVE-2026-98432: ipv4: free inetopt and ireqopt after an RCU grace period (bsc#1285686).

Other sources

This update for the SUSE Linux Enterprise Kernel 6.4.0-159998.54.1 fixes one security issue: The following security issue was fixed: CVE-2026-98432: ipv4: free inetopt and ireqopt after an RCU grace period (bsc#1285686).

— SUSE

Affected Software

5 affected componentsFixes available

suse/kernel-livepatch-micro-6-0_update_31<2-159998.1.1

2-159998.1.1

All of the following

SUSE SUSE Linux Micro 6.0 (s390x x86_64)

Any of the following

suse/kernel-livepatch<6_4_0-159998_54-default-2-159998.1.1

6_4_0-159998_54-default-2-159998.1.1

suse/kernel-livepatch<6_4_0-159998_54-default-debuginfo-2-159998.1.1

6_4_0-159998_54-default-debuginfo-2-159998.1.1

suse/kernel-livepatch-micro<6-0_Update_31-debugsource-2-159998.1.1

6-0_Update_31-debugsource-2-159998.1.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade suse/kernel-livepatch-MICRO-6-0_Update_31 to a version that resolves this vulnerability.
Fixed in 2-159998.1.1
Upgrade
Upgrade suse/kernel-livepatch to a version that resolves this vulnerability.
Fixed in 6_4_0-159998_54-default-2-159998.1.1
Upgrade
Upgrade suse/kernel-livepatch to a version that resolves this vulnerability.
Fixed in 6_4_0-159998_54-default-debuginfo-2-159998.1.1
Upgrade
Upgrade suse/kernel-livepatch-MICRO to a version that resolves this vulnerability.
Fixed in 6-0_Update_31-debugsource-2-159998.1.1
Upgrade
Upgrade SUSE Linux Enterprise Kernel to a version that resolves this vulnerability.
Fixed in 6.4.0-159998.54.1Patch SUSE-SLE-Micro-6.0-kernel-737

Event History

Nov 2, 2026

Advisory Published

via OSV·09:05 AM

Data Sourced

via OSV·09:05 AM

DescriptionAffected Software

Advisory Published

via SUSE·09:05 AM

Data Sourced

via SUSE·09:05 AM

RemedyDescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2026-98432

Frequently Asked Questions

Which kernel update includes the fix?