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Fedora Linux 36 Kernel LTS Significant Security Patch 2026-0578-3

suse
Calendar Grey February 13, 2026
Dist Suse Esm H88
An important security update for SUSE Linux kernel RT fixes five vulnerabilities that needed attention.
An update that solves five vulnerabilities and has two security fixes can now be installed.

Summary

## This update for the SUSE Linux Enterprise kernel 6.4.0-150700.7.3 fixes various security issues The following security issues were fixed: * CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access (bsc#1249455). * CVE-2025-38352: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() (bsc#1249205). * 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 remote access important SuSE Linux kernel-rt

References

* bsc#1249205

* bsc#1249241

* bsc#1249455

* bsc#1249480

* bsc#1253439

* bsc#1253473

* bsc#1256928

Cross-

* CVE-2025-38111

* CVE-2025-38352

* CVE-2025-39742

* CVE-2025-40129

* CVE-2025-40186

CVSS scores:

* CVE-2025-38111 ( 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

* CVE-2025-38111 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2025-38111 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

* 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-2025-39742 ( SUSE ): 7.3

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0487-1
Release Date: 2026-02-13T06:04:09Z
Rating: important

Topics%20covered

Topics Covered

security advisory security issue remote access important SuSE Linux kernel-rt

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