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SUSE: Kernel Important Security Update 2026:20015-1 CVE-2025-40131

suse
Calendar Grey January 9, 2026
Dist Suse Esm H88
SUSE releases important security update for the kernel addressing 100 vulnerabilities including critical fixes.
An update that solves 100 vulnerabilities, contains five features and has 19 fixes can now be installed.

Summary

## The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2022-50253: bpf: make sure skb->len != 0 when redirecting to a tunneling device (bsc#1249912). * CVE-2025-37916: pds_core: remove write-after-free of client_id (bsc#1243474). * CVE-2025-38084: mm/hugetlb: unshare page tables during VMA split, not before (bsc#1245431 bsc#1245498). * CVE-2025-38085: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (bsc#1245431 bsc#1245499). * CVE-2025-38321: smb: Log an error when close_all_cached_dirs fails (bsc#1246328). * CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd (bsc#1249256). * CVE-2025-39805: net: macb: fix unregister_netdev call order in macb_remove() (bsc#1249982).

Topics%20covered

Topics Covered

security advisory security update SuSE threat important kernel

References

* bsc#1235463

* bsc#1243474

* bsc#1245193

* bsc#1245431

* bsc#1245498

* bsc#1245499

* bsc#1246328

* bsc#1246843

* bsc#1247500

* bsc#1248792

* bsc#1249256

* bsc#1249397

* bsc#1249912

* bsc#1249977

* bsc#1249982

* bsc#1250034

* bsc#1250176

* bsc#1250237

* bsc#1250252

* bsc#1250705

* bsc#1250723

* bsc#1250746

* bsc#1251120

* bsc#1251817

* bsc#1252054

* bsc#1252063

* bsc#1252301

* bsc#1252303

* bsc#1252342

* bsc#1252352

* bsc#1252357

* bsc#1252681

* bsc#1252686

* bsc#1252763

* bsc#1252776

* bsc#1252779

* bsc#1252790

* bsc#1252794

* bsc#1252795

* bsc#1252808

* bsc#1252809

* bsc#1252817

* bsc#1252821

* bsc#1252824

* bsc#1252836

* bsc#1252845

* bsc#1252901

* bsc#1252912

* bsc#1252917

* bsc#1252919

* bsc#1252923

* bsc#1252928

* bsc#1253018

* bsc#1253155

* bsc#1253176

* bsc#1253238

* bsc#1253275

* bsc#1253318

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20015-1
Release Date: 2025-12-19T17:38:16Z
Rating: important

Topics%20covered

Topics Covered

security advisory security update SuSE threat important kernel

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