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SUSE Linux Enterprise 15 SP5 Kernel Important Vulnerability Fix 2026-0263-1

suse
Calendar Grey January 23, 2026
Dist Suse Esm H88
A critical security update for SUSE kernel addresses 392 vulnerabilities and recommends immediate installation.
An update that solves 392 vulnerabilities, contains 16 features and has 47 security fixes can now be installed.

Summary

## The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: * CVE-2022-50630: mm: hugetlb: fix UAF in hugetlb_handle_userfault (bsc#1254785). * CVE-2022-50700: wifi: ath10k: Delay the unmapping of the buffer (bsc#1255576). * CVE-2023-53254: cacheinfo: Fix shared_cpu_map to handle shared caches at different levels (bsc#1249871). * CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254751). * CVE-2024-56590: Bluetooth: hci_core: Fix not checking skb length on hci_acldata_packet (bsc#1235038). * CVE-2025-39977: futex: Prevent use-after-free during requeue-PI (bsc#1252046). * CVE-2025-40019: crypto: essiv - Check ssize for decryption and in-place encryption (bsc#1252678).

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE security fix important kernel

References

* bsc#1065729

* bsc#1193629

* bsc#1194869

* bsc#1196823

* bsc#1204957

* bsc#1205567

* bsc#1206451

* bsc#1206843

* bsc#1206889

* bsc#1207051

* bsc#1207088

* bsc#1207315

* bsc#1207611

* bsc#1207620

* bsc#1207622

* bsc#1207636

* bsc#1207644

* bsc#1207646

* bsc#1207652

* bsc#1207653

* bsc#1208570

* bsc#1208758

* bsc#1209799

* bsc#1209980

* bsc#1210644

* bsc#1210817

* bsc#1210943

* bsc#1211690

* bsc#1213025

* bsc#1213032

* bsc#1213093

* bsc#1213105

* bsc#1213110

* bsc#1213111

* bsc#1213653

* bsc#1213747

* bsc#1213867

* bsc#1214635

* bsc#1214940

* bsc#1214962

* bsc#1214986

* bsc#1214990

* bsc#1216062

* bsc#1224573

* bsc#1225832

* bsc#1226797

* bsc#1226846

* bsc#1228015

* bsc#1233640

* bsc#1235038

* bsc#1237563

* bsc#1249871

* bsc#1252046

* bsc#1252678

* bsc#1253409

* bsc#1254392

* bsc#1254520

* bsc#1254559

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0263-1
Release Date: 2026-01-22T21:15:03Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE security fix important kernel

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