SUSE-SU-2023:4030-1: important: Security update for the Linux Kernel
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Tue Oct 10 16:36:42 UTC 2023
# Security update for the Linux Kernel
Announcement ID: SUSE-SU-2023:4030-1
Rating: important
References:
* #1207036
* #1208995
* #1210169
* #1210643
* #1212703
* #1214233
* #1214351
* #1214380
* #1214386
* #1215115
* #1215117
* #1215150
* #1215221
* #1215275
* #1215299
Cross-References:
* CVE-2020-36766
* CVE-2023-1192
* CVE-2023-1206
* CVE-2023-1859
* CVE-2023-2177
* CVE-2023-23454
* CVE-2023-40283
* CVE-2023-42753
* CVE-2023-4389
* CVE-2023-4622
* CVE-2023-4623
* CVE-2023-4881
* CVE-2023-4921
CVSS scores:
* CVE-2020-36766 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
* CVE-2020-36766 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
* CVE-2023-1192 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-1206 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-1206 ( NVD ): 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-1859 ( SUSE ): 1.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
* CVE-2023-1859 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-2177 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* CVE-2023-2177 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* 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
* CVE-2023-40283 ( SUSE ): 5.7 CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
* CVE-2023-40283 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-42753 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4389 ( SUSE ): 5.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H
* CVE-2023-4389 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4622 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4623 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4623 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4881 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
* CVE-2023-4881 ( NVD ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
* CVE-2023-4921 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4921 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Availability Extension 15 SP2
* SUSE Linux Enterprise High Performance Computing 15 SP2
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
* SUSE Linux Enterprise Live Patching 15-SP2
* SUSE Linux Enterprise Server 15 SP2
* SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
* SUSE Linux Enterprise Server for SAP Applications 15 SP2
* SUSE Manager Proxy 4.1
* SUSE Manager Retail Branch Server 4.1
* SUSE Manager Server 4.1
An update that solves 13 vulnerabilities and has two security fixes can now be
installed.
## Description:
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security
bugfixes.
The following security bugs were fixed:
* CVE-2023-4389: Fixed a reference counting issue in the Btrfs filesystem that
could be exploited in order to leak internal kernel information or crash the
system (bsc#1214351).
* CVE-2023-42753: Fixed an array indexing vulnerability in the netfilter
subsystem. This issue may have allowed a local user to crash the system or
potentially escalate their privileges (bsc#1215150).
* CVE-2023-1206: Fixed a hash collision flaw in the IPv6 connection lookup
table which could be exploited by network adjacent attackers, increasing CPU
usage by 95% (bsc#1212703).
* CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network
scheduler which could be exploited to achieve local privilege escalatio
(bsc#1215275).
* CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler
(bsc#1207036).
* CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain
sockets component which could be exploited to achieve local privilege
escalation (bsc#1215117).
* CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler
which could be exploited to achieve local privilege escalation
(bsc#1215115).
* CVE-2020-36766: Fixed a potential information leak in in the CEC driver
(bsc#1215299).
* CVE-2023-1859: Fixed a use-after-free flaw in Xen transport for 9pfs which
could be exploited to crash the system (bsc#1210169).
* CVE-2023-2177: Fixed a null pointer dereference issue in the sctp network
protocol which could allow a user to crash the system (bsc#1210643).
* CVE-2023-4881: Fixed an out-of-bounds write flaw in the netfilter subsystem
that could lead to information disclosure or denial of service
(bsc#1215221).
* CVE-2023-40283: Fixed a use-after-free issue in the Bluetooth subsystem
(bsc#1214233).
* CVE-2023-1192: Fixed a use-after-free in the CIFS subsystem (bsc#1208995).
The following non-security bugs were fixed:
* check-for-config-changes: ignore BUILTIN_RETURN_ADDRESS_STRIPS_PAC
(bsc#1214380).
* mkspec: Allow unsupported KMPs (bsc#1214386)
* rpm/mkspec-dtb: support for nested subdirs.
* x86/srso: Do not probe microcode in a guest (git-fixes).
* x86/srso: Fix SBPB enablement for spec_rstack_overflow=off (git-fixes).
* x86/srso: Fix srso_show_state() side effect (git-fixes).
* x86/srso: Set CPUID feature bits independently of bug or mitigation status
(git-fixes).
## Special Instructions and Notes:
* Please reboot the system after installing this update.
## Patch Instructions:
To install this SUSE 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-SP2-2023-4030=1
* SUSE Linux Enterprise High Availability Extension 15 SP2
zypper in -t patch SUSE-SLE-Product-HA-15-SP2-2023-4030=1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2023-4030=1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2023-4030=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2023-4030=1
## Package List:
* SUSE Linux Enterprise Live Patching 15-SP2 (nosrc)
* kernel-default-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Live Patching 15-SP2 (ppc64le s390x x86_64)
* kernel-default-livepatch-5.3.18-150200.24.166.1
* kernel-livepatch-SLE15-SP2_Update_41-debugsource-1-150200.5.3.1
* kernel-default-livepatch-devel-5.3.18-150200.24.166.1
* kernel-default-debuginfo-5.3.18-150200.24.166.1
* kernel-livepatch-5_3_18-150200_24_166-default-1-150200.5.3.1
* kernel-livepatch-5_3_18-150200_24_166-default-debuginfo-1-150200.5.3.1
* kernel-default-debugsource-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Availability Extension 15 SP2 (aarch64 ppc64le
s390x x86_64)
* dlm-kmp-default-debuginfo-5.3.18-150200.24.166.1
* gfs2-kmp-default-debuginfo-5.3.18-150200.24.166.1
* gfs2-kmp-default-5.3.18-150200.24.166.1
* kernel-default-debuginfo-5.3.18-150200.24.166.1
* cluster-md-kmp-default-debuginfo-5.3.18-150200.24.166.1
* ocfs2-kmp-default-5.3.18-150200.24.166.1
* cluster-md-kmp-default-5.3.18-150200.24.166.1
* dlm-kmp-default-5.3.18-150200.24.166.1
* kernel-default-debugsource-5.3.18-150200.24.166.1
* ocfs2-kmp-default-debuginfo-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Availability Extension 15 SP2 (nosrc)
* kernel-default-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
nosrc x86_64)
* kernel-default-5.3.18-150200.24.166.1
* kernel-preempt-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
x86_64)
* kernel-obs-build-debugsource-5.3.18-150200.24.166.1
* kernel-preempt-debugsource-5.3.18-150200.24.166.1
* kernel-preempt-devel-debuginfo-5.3.18-150200.24.166.1
* kernel-syms-5.3.18-150200.24.166.1
* kernel-default-devel-5.3.18-150200.24.166.1
* kernel-default-devel-debuginfo-5.3.18-150200.24.166.1
* kernel-default-debuginfo-5.3.18-150200.24.166.1
* kernel-preempt-devel-5.3.18-150200.24.166.1
* kernel-default-base-5.3.18-150200.24.166.1.150200.9.83.1
* kernel-obs-build-5.3.18-150200.24.166.1
* kernel-default-debugsource-5.3.18-150200.24.166.1
* kernel-preempt-debuginfo-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
* kernel-source-5.3.18-150200.24.166.1
* kernel-devel-5.3.18-150200.24.166.1
* kernel-macros-5.3.18-150200.24.166.1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch
nosrc)
* kernel-docs-5.3.18-150200.24.166.2
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x
x86_64 nosrc)
* kernel-default-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x
x86_64)
* reiserfs-kmp-default-debuginfo-5.3.18-150200.24.166.1
* kernel-obs-build-debugsource-5.3.18-150200.24.166.1
* reiserfs-kmp-default-5.3.18-150200.24.166.1
* kernel-syms-5.3.18-150200.24.166.1
* kernel-default-devel-5.3.18-150200.24.166.1
* kernel-default-devel-debuginfo-5.3.18-150200.24.166.1
* kernel-default-debuginfo-5.3.18-150200.24.166.1
* kernel-default-base-5.3.18-150200.24.166.1.150200.9.83.1
* kernel-obs-build-5.3.18-150200.24.166.1
* kernel-default-debugsource-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
* kernel-source-5.3.18-150200.24.166.1
* kernel-devel-5.3.18-150200.24.166.1
* kernel-macros-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch nosrc)
* kernel-docs-5.3.18-150200.24.166.2
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 nosrc x86_64)
* kernel-preempt-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 x86_64)
* kernel-preempt-devel-5.3.18-150200.24.166.1
* kernel-preempt-debugsource-5.3.18-150200.24.166.1
* kernel-preempt-debuginfo-5.3.18-150200.24.166.1
* kernel-preempt-devel-debuginfo-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (nosrc ppc64le
x86_64)
* kernel-default-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64)
* reiserfs-kmp-default-debuginfo-5.3.18-150200.24.166.1
* kernel-obs-build-debugsource-5.3.18-150200.24.166.1
* reiserfs-kmp-default-5.3.18-150200.24.166.1
* kernel-syms-5.3.18-150200.24.166.1
* kernel-default-devel-5.3.18-150200.24.166.1
* kernel-default-devel-debuginfo-5.3.18-150200.24.166.1
* kernel-default-debuginfo-5.3.18-150200.24.166.1
* kernel-default-base-5.3.18-150200.24.166.1.150200.9.83.1
* kernel-obs-build-5.3.18-150200.24.166.1
* kernel-default-debugsource-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
* kernel-source-5.3.18-150200.24.166.1
* kernel-devel-5.3.18-150200.24.166.1
* kernel-macros-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch nosrc)
* kernel-docs-5.3.18-150200.24.166.2
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (nosrc x86_64)
* kernel-preempt-5.3.18-150200.24.166.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
* kernel-preempt-devel-5.3.18-150200.24.166.1
* kernel-preempt-debugsource-5.3.18-150200.24.166.1
* kernel-preempt-debuginfo-5.3.18-150200.24.166.1
* kernel-preempt-devel-debuginfo-5.3.18-150200.24.166.1
## References:
* https://www.suse.com/security/cve/CVE-2020-36766.html
* https://www.suse.com/security/cve/CVE-2023-1192.html
* https://www.suse.com/security/cve/CVE-2023-1206.html
* https://www.suse.com/security/cve/CVE-2023-1859.html
* https://www.suse.com/security/cve/CVE-2023-2177.html
* https://www.suse.com/security/cve/CVE-2023-23454.html
* https://www.suse.com/security/cve/CVE-2023-40283.html
* https://www.suse.com/security/cve/CVE-2023-42753.html
* https://www.suse.com/security/cve/CVE-2023-4389.html
* https://www.suse.com/security/cve/CVE-2023-4622.html
* https://www.suse.com/security/cve/CVE-2023-4623.html
* https://www.suse.com/security/cve/CVE-2023-4881.html
* https://www.suse.com/security/cve/CVE-2023-4921.html
* https://bugzilla.suse.com/show_bug.cgi?id=1207036
* https://bugzilla.suse.com/show_bug.cgi?id=1208995
* https://bugzilla.suse.com/show_bug.cgi?id=1210169
* https://bugzilla.suse.com/show_bug.cgi?id=1210643
* https://bugzilla.suse.com/show_bug.cgi?id=1212703
* https://bugzilla.suse.com/show_bug.cgi?id=1214233
* https://bugzilla.suse.com/show_bug.cgi?id=1214351
* https://bugzilla.suse.com/show_bug.cgi?id=1214380
* https://bugzilla.suse.com/show_bug.cgi?id=1214386
* https://bugzilla.suse.com/show_bug.cgi?id=1215115
* https://bugzilla.suse.com/show_bug.cgi?id=1215117
* https://bugzilla.suse.com/show_bug.cgi?id=1215150
* https://bugzilla.suse.com/show_bug.cgi?id=1215221
* https://bugzilla.suse.com/show_bug.cgi?id=1215275
* https://bugzilla.suse.com/show_bug.cgi?id=1215299
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