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AUSCERT External Security Bulletin Redistribution
ESB-2023.1940
Security update for the Linux Kernel
5 April 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-26545 CVE-2023-23559 CVE-2023-0590
CVE-2022-38096 CVE-2022-36280
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20230767-1
Comment: CVSS (Max): 7.0 CVE-2023-26545 (CVSS:3.1/AV:L/AC:H/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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Security update for the Linux Kernel
Announcement ID: SUSE-SU-2023:0767-1
Rating: important
o #1203331
o #1203332
o #1207051
References: o #1207795
o #1208700
o #1209188
o CVE-2022-36280
o CVE-2022-38096
Cross-References: o CVE-2023-0590
o CVE-2023-23559
o CVE-2023-26545
o CVE-2022-36280 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:U/C:N/I:N/A:H
o CVE-2022-36280 ( NVD ): 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/
S:U/C:N/I:L/A:H
o CVE-2022-38096 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:U/C:N/I:N/A:H
o CVE-2022-38096 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-0590 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:H/I:H/A:H
CVSS scores: o CVE-2023-0590 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:N/I:N/A:H
o 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
o 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
o CVE-2023-26545 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N
/S:U/C:H/I:H/A:H
o CVE-2023-26545 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
Affected o SUSE Linux Enterprise High Performance Computing 12 SP2
Products: o SUSE Linux Enterprise Server 12 SP2
o SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
An update that solves five vulnerabilities and has one fix can now be
installed.
Description:
The SUSE Linux Enterprise 12 SP2 kernel was updated to receive various security
and bugfixes.
The following security bugs were fixed:
o CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation
failure (bsc#1208700).
o CVE-2023-23559: Fixed integer overflow in rndis_wlan that leads to a buffer
overflow (bsc#1207051).
o CVE-2022-38096: Fixed NULL-ptr deref in vmw_cmd_dx_define_query() (bsc#
1203331).
o CVE-2022-36280: Fixed out-of-bounds memory access vulnerability found in
vmwgfx driver (bsc#1203332).
o CVE-2023-0590: Fixed race condition in qdisc_graft() (bsc#1207795).
Special Instructions and Notes:
o Please reboot the system after installing this update.
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 Server 12 SP2 BCL 12-SP2
zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2023-767=1
Package List:
o SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (nosrc x86_64)
kernel-default-4.4.121-92.202.5
o SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
kernel-default-base-debuginfo-4.4.121-92.202.5
kernel-default-devel-4.4.121-92.202.5
kernel-default-base-4.4.121-92.202.5
kernel-default-debuginfo-4.4.121-92.202.5
kernel-syms-4.4.121-92.202.6
kernel-default-debugsource-4.4.121-92.202.5
o SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (noarch)
kernel-devel-4.4.121-92.202.6
kernel-macros-4.4.121-92.202.6
kernel-source-4.4.121-92.202.6
References:
o https://www.suse.com/security/cve/CVE-2022-36280.html
o https://www.suse.com/security/cve/CVE-2022-38096.html
o https://www.suse.com/security/cve/CVE-2023-0590.html
o https://www.suse.com/security/cve/CVE-2023-23559.html
o https://www.suse.com/security/cve/CVE-2023-26545.html
o https://bugzilla.suse.com/show_bug.cgiid=1203331
o https://bugzilla.suse.com/show_bug.cgiid=1203332
o https://bugzilla.suse.com/show_bug.cgiid=1207051
o https://bugzilla.suse.com/show_bug.cgiid=1207795
o https://bugzilla.suse.com/show_bug.cgiid=1208700
o https://bugzilla.suse.com/show_bug.cgiid=1209188
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