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SUSE: Kernel Important Patch Advisory 2026:0149-1 CVE-2021-47557 DoS

suse
Calendar Grey January 19, 2026
Dist Suse Esm H88
SUSE's important kernel update addresses 221 vulnerabilities with multiple security fixes to enhance system stability.
An update that solves 221 vulnerabilities, contains two features and has 37 security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: * CVE-2021-47557: net/sched: sch_ets: do not peek at classes beyond 'nbands' (bsc#1207361 bsc#1225468). * CVE-2021-47595: net/sched: sch_ets: do not remove idle classes from the round-robin list (bsc#1207361 bsc#1226552). * CVE-2023-52924: netfilter: nf_tables: do not skip expired elements during walk (bsc#1236821). * CVE-2023-52925: netfilter: nf_tables: do not fail inserts if duplicate has expired (bsc#1236822). * CVE-2024-26808: netfilter: nft_chain_filter: handle NETDEV_UNREGISTER for inet/ingress basechain (bsc#1222634). * CVE-2024-26924: scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up() (bsc#1225820).

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

References

* bsc#1065729

* bsc#1156395

* bsc#1193629

* bsc#1194869

* bsc#1198410

* bsc#1199356

* bsc#1199487

* bsc#1201160

* bsc#1201956

* bsc#1202094

* bsc#1202095

* bsc#1202564

* bsc#1202716

* bsc#1202823

* bsc#1202860

* bsc#1203197

* bsc#1203361

* bsc#1205220

* bsc#1205514

* bsc#1206664

* bsc#1206878

* bsc#1206880

* bsc#1207361

* bsc#1207638

* bsc#1211226

* bsc#1212051

* bsc#1213090

* bsc#1218184

* bsc#1218234

* bsc#1218470

* bsc#1222634

* bsc#1223675

* bsc#1224095

* bsc#1224597

* bsc#1225468

* bsc#1225820

* bsc#1226514

* bsc#1226552

* bsc#1228659

* bsc#1230827

* bsc#1231293

* bsc#1232504

* bsc#1233551

* bsc#1234156

* bsc#1234381

* bsc#1234454

* bsc#1235637

* bsc#1236333

* bsc#1236821

* bsc#1236822

* bsc#1237159

* bsc#1237312

* bsc#1237313

* bsc#1238303

* bsc#1238526

* bsc#1238570

* bsc#1238876

* bsc#1239986

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0149-1
Release Date: 2026-01-19T09:13:50Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE DoS important kernel

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