Ubuntu Server 22.04 LTS Kernel Upgrade Live Patch Resolves 5 Issues
suse
March 30, 2026
An update that solves six vulnerabilities can now be installed.
Summary
## This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.25 fixes various security issues The following security issues were fixed: * CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053). * CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass (bsc#1255895). * CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255378). * CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402). * CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644). * CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624). ## Patch Instructions:
Topics Covered
References
* bsc#1255053
* bsc#1255378
* bsc#1255402
* bsc#1255895
* bsc#1256624
* bsc#1256644
Cross-
* CVE-2025-40258
* CVE-2025-40297
* CVE-2025-68284
* CVE-2025-68285
* CVE-2025-68813
* CVE-2025-71085
CVSS scores:
* CVE-2025-40258 ( 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-2025-40258 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-40297 ( 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-2025-40297 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2025-68284 ( SUSE ): 7.0
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
* CVE-2025-68284 ( SUSE ): 7.3 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
* CVE-2025-68285 ( SUSE ): 7.3
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:1136-1
Release Date: 2026-03-27T18:04:05Z
Rating: important
Topics Covered
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