SUSE Linux Enterprise 16 Important Kernel Security Update 20635-1
suse
March 6, 2026
An update that solves six vulnerabilities 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-2025-40130: scsi: ufs: core: Fix data race in CPU latency PM QoS request handling (bsc#1253415). * CVE-2025-40186: tcp: Don't call reqsk_fastopen_remove() in tcp_conn_request() (bsc#1253439). ## Patch Instructions:
References
* bsc#1249205
* bsc#1249480
* bsc#1250190
* bsc#1253415
* bsc#1253439
* bsc#1253473
Cross-
* CVE-2025-38352
* CVE-2025-39698
* CVE-2025-39742
* CVE-2025-40129
* CVE-2025-40130
* 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
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Severity
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Announcement ID: SUSE-SU-2026:20635-1
Release Date: 2026-03-04T09:40:55Z
Rating: important
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