SUSE-SU-2023:2401-1: important: Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP2)
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Tue Jun 6 16:30:23 UTC 2023
# Security update for the Linux Kernel (Live Patch 35 for SLE 15 SP2)
Announcement ID: SUSE-SU-2023:2401
Rating: important
References:
* #1207188
* #1210417
* #1210500
* #1210662
Cross-References:
* CVE-2023-1872
* CVE-2023-1989
* CVE-2023-2162
* CVE-2023-23454
CVSS scores:
* CVE-2023-1872 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1872 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1989 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1989 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-2162 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-2162 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
* CVE-2023-23454 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-23454 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 15 SP2
* SUSE Linux Enterprise High Performance Computing 15 SP3
* SUSE Linux Enterprise Live Patching 15-SP2
* SUSE Linux Enterprise Live Patching 15-SP3
* SUSE Linux Enterprise Micro 5.1
* SUSE Linux Enterprise Micro 5.2
* SUSE Linux Enterprise Server 15 SP2
* SUSE Linux Enterprise Server 15 SP3
* SUSE Linux Enterprise Server for SAP Applications 15 SP2
* SUSE Linux Enterprise Server for SAP Applications 15 SP3
An update that solves four vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 5.3.18-150200_24_148 fixes several issues.
The following security issues were fixed:
* CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).
* CVE-2023-1872: Fixed a use after free vulnerability in the io_uring
subsystem, which could lead to local privilege escalation (bsc#1210417).
* CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create
(bsc#1210662).
* CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler
(bsc#1207188).
## Patch Instructions:
To install this SUSE Important update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Live Patching 15-SP2
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2023-2401=1
* SUSE Linux Enterprise Live Patching 15-SP3
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2023-2419=1
## Package List:
* SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
* kernel-livepatch-SLE15-SP2_Update_35-debugsource-2-150200.2.3
* kernel-livepatch-5_3_18-150200_24_148-default-2-150200.2.3
* kernel-livepatch-5_3_18-150200_24_148-default-debuginfo-2-150200.2.3
* SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
* kernel-livepatch-5_3_18-150300_59_118-default-2-150300.2.3
## References:
* https://www.suse.com/security/cve/CVE-2023-1872.html
* https://www.suse.com/security/cve/CVE-2023-1989.html
* https://www.suse.com/security/cve/CVE-2023-2162.html
* https://www.suse.com/security/cve/CVE-2023-23454.html
* https://bugzilla.suse.com/show_bug.cgi?id=1207188
* https://bugzilla.suse.com/show_bug.cgi?id=1210417
* https://bugzilla.suse.com/show_bug.cgi?id=1210500
* https://bugzilla.suse.com/show_bug.cgi?id=1210662
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