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SUSE Linux Enterprise 16 Kernel RT Important Security Patch 20645-1

suse
Calendar Grey March 9, 2026
Dist Suse Esm H88
Five vulnerabilities in SUSE Linux Enterprise kernel addressed with important updates for enhanced security and stability.
An update that solves five vulnerabilities and has two fixes can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 6.12.0-160000.5.1 fixes various security issues The following security issues were fixed: * CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (bsc#1249205). * CVE-2025-39698: io_uring/futex: ensure io_futex_wait() cleans up properly on failure (bsc#1250190). * CVE-2025-39742: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() (bsc#1249480). * CVE-2025-40129: sunrpc: fix null pointer dereference on zero-length checksum (bsc#1253473). * CVE-2025-40186: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (bsc#1253439). The following non security issue was fixed: * bsc#1249241: fix addr_bit_set() issue on big-endian machines

Topics%20covered

Topics Covered

security advisory security issue SuSE patch important kernel

References

* bsc#1249205

* bsc#1249241

* bsc#1249480

* bsc#1250190

* bsc#1253439

* bsc#1253473

* bsc#1256928

Cross-

* CVE-2025-38352

* CVE-2025-39698

* CVE-2025-39742

* CVE-2025-40129

* CVE-2025-40186

CVSS scores:

* CVE-2025-38352 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2025-38352 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38352 ( NVD ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-39698 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-39698 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

* CVE-2025-39698 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2025-39742 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20645-1
Release Date: 2026-03-04T10:13:56Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue SuSE patch important kernel

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