SUSE Linux Enterprise 15 SP5 Kernel Important Update 2026-1049-1
suse
March 26, 2026
An update that solves 11 vulnerabilities can now be installed.
Summary
## This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.121 fixes various security issues The following security issues were fixed: * CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit (bsc#1255595). * CVE-2023-53257: wifi: mac80211: check S1G action frame size (bsc#1250730). * CVE-2023-53781: smc: Fix use-after-free in tcp_write_timer_handler() (bsc#1254755). * CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer (bsc#1257118). * CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (bsc#1257629). * CVE-2025-38488: smb: client: fix use-after-free in crypt_message when using async crypto (bsc#1247240). * CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work()
References
* bsc#1247240
* bsc#1250730
* bsc#1254755
* bsc#1255053
* bsc#1255378
* bsc#1255402
* bsc#1255595
* bsc#1256624
* bsc#1256644
* bsc#1257118
* bsc#1257629
Cross-
* CVE-2022-50697
* CVE-2023-53257
* CVE-2023-53781
* CVE-2025-21738
* CVE-2025-38159
* CVE-2025-38488
* CVE-2025-40258
* CVE-2025-68284
* CVE-2025-68285
* CVE-2025-68813
* CVE-2025-71085
CVSS scores:
* CVE-2022-50697 ( 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-2022-50697 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-53257 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2023-53257 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-53257 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Severity
important
Lowest
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Critical
Announcement ID: SUSE-SU-2026:1049-1
Release Date: 2026-03-26T05:04:44Z
Rating: important
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