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AUSCERT External Security Bulletin Redistribution
ESB-2023.3294
Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4)
9 June 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-28464 CVE-2023-23454 CVE-2023-2162
CVE-2023-1989 CVE-2023-1281 CVE-2023-0461
CVE-2023-0386
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20232468-1
Comment: CVSS (Max): 7.8 CVE-2023-28464 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP4)
Announcement ID: SUSE-SU-2023:2468-1
Rating: important
o #1207188
o #1208911
o #1209683
References: o #1210499
o #1210500
o #1210662
o #1211111
o CVE-2023-0386
o CVE-2023-0461
o CVE-2023-1281
Cross-References: o CVE-2023-1989
o CVE-2023-2162
o CVE-2023-23454
o CVE-2023-28464
o CVE-2023-0386 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-0386 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-0461 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-0461 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-1281 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-1281 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o 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
CVSS scores: o 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
o 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
o 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
o 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
o 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
o CVE-2023-28464 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:U/C:H/I:H/A:H
o CVE-2023-28464 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o SUSE Linux Enterprise High Performance Computing 15 SP4
o SUSE Linux Enterprise Live Patching 15-SP4
Affected o SUSE Linux Enterprise Micro 5.3
Products: o SUSE Linux Enterprise Micro 5.4
o SUSE Linux Enterprise Real Time 15 SP4
o SUSE Linux Enterprise Server 15 SP4
o SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves seven vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 5.14.21-150400_22 fixes several issues.
The following security issues were fixed:
o CVE-2023-28464: Fixed user-after-free that could lead to privilege
escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111).
o CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).
o CVE-2023-0386: Fixed privileges escalation for low-privileged users in the
OverlayFS subsystem (bsc#1210499).
o CVE-2023-1281: Fixed use after free that could lead to privilege escalation
in tcindex (bsc#1209683).
o CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create
(bsc#1210662).
o CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).
o 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:
o SUSE Linux Enterprise Live Patching 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-2468=1
Package List:
o SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
kernel-livepatch-5_14_21-150400_22-default-14-150400.16.1
kernel-livepatch-5_14_21-150400_22-default-debuginfo-14-150400.16.1
kernel-livepatch-SLE15-SP4_Update_0-debugsource-14-150400.16.1
References:
o https://www.suse.com/security/cve/CVE-2023-0386.html
o https://www.suse.com/security/cve/CVE-2023-0461.html
o https://www.suse.com/security/cve/CVE-2023-1281.html
o https://www.suse.com/security/cve/CVE-2023-1989.html
o https://www.suse.com/security/cve/CVE-2023-2162.html
o https://www.suse.com/security/cve/CVE-2023-23454.html
o https://www.suse.com/security/cve/CVE-2023-28464.html
o https://bugzilla.suse.com/show_bug.cgiid=1207188
o https://bugzilla.suse.com/show_bug.cgiid=1208911
o https://bugzilla.suse.com/show_bug.cgiid=1209683
o https://bugzilla.suse.com/show_bug.cgiid=1210499
o https://bugzilla.suse.com/show_bug.cgiid=1210500
o https://bugzilla.suse.com/show_bug.cgiid=1210662
o https://bugzilla.suse.com/show_bug.cgiid=1211111
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