SUSE Linux 11 SP4 Kernel Important Security Update CVE-2023-23559
suse
January 30, 2026
An update that solves five vulnerabilities and has one security fix can now be installed.
Summary
## The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: * CVE-2023-54168: RDMA/mlx4: Prevent shift wrapping in set_user_sq_size() (bsc#1256053). * CVE-2025-40018: ipvs: Defer ip_vs_ftp unregister during netns cleanup (bsc#1253291 bsc#1253292). * CVE-2025-40215: kABI: xfrm: delete x->tunnel as we delete x (bsc#1254959).
Topics Covered
References
* bsc#1207051
* bsc#1253291
* bsc#1253292
* bsc#1254959
* bsc#1256053
* bsc#1256353
Cross-
* CVE-2023-23559
* CVE-2023-54110
* CVE-2023-54168
* CVE-2025-40018
* CVE-2025-40215
CVSS scores:
* CVE-2023-23559 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
* CVE-2023-23559 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-23559 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-54110 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-54168 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-40018 ( 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-2025-40018 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-40215 ( SUSE ): 7.3
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:0352-1
Release Date: 2026-01-30T14:05:24Z
Rating: important
Topics Covered
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