SUSE-SU-2023:3772-1: important: Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)
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Tue Sep 26 08:30:08 UTC 2023
# Security update for the Linux Kernel RT (Live Patch 0 for SLE 15 SP5)
Announcement ID: SUSE-SU-2023:3772-1
Rating: important
References:
* #1210619
* #1213064
* #1213587
* #1213706
* #1214123
* #1215119
Cross-References:
* CVE-2023-1829
* CVE-2023-31248
* CVE-2023-3609
* CVE-2023-3776
* CVE-2023-3812
* CVE-2023-4273
CVSS scores:
* CVE-2023-1829 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-1829 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31248 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-31248 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3609 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3609 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3776 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3776 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3812 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-3812 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4273 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-4273 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Affected Products:
* openSUSE Leap 15.5
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Live Patching 15-SP5
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves six vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 5.14.21-150500_11 fixes several issues.
The following security issues were fixed:
* CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-
free (bsc#1215119).
* CVE-2023-1829: Fixed a use-after-free vulnerability in the control index
filter (tcindex) (bsc#1210619).
* CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that
alloawed a local privileged attacker to overflow the kernel stack
(bsc#1214123).
* CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched
(bsc#1213587).
* CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP
device driver functionality that could allow a local user to crash or
potentially escalate their privileges on the system (bsc#1213706).
* CVE-2023-31248: Fixed an use-after-free vulnerability in
nft_chain_lookup_byid that could allow a local attacker to escalate their
privilege (bsc#1213064).
## 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-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-3772=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2023-3769=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2023-3770=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-3771=1
SUSE-SLE-Module-Live-Patching-15-SP4-2023-3775=1
* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3774=1
* SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3774=1
## Package List:
* SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
* kernel-livepatch-SLE15-SP4-RT_Update_7-debugsource-6-150400.2.1
* kernel-livepatch-5_14_21-150400_15_5-rt-10-150400.2.2
* kernel-livepatch-SLE15-SP4-RT_Update_3-debugsource-8-150400.2.2
* kernel-livepatch-5_14_21-150400_15_18-rt-7-150400.2.1
* kernel-livepatch-5_14_21-150400_15_8-rt-9-150400.2.2
* kernel-livepatch-5_14_21-150400_15_18-rt-debuginfo-7-150400.2.1
* kernel-livepatch-5_14_21-150400_15_28-rt-6-150400.2.1
* kernel-livepatch-SLE15-SP4-RT_Update_2-debugsource-9-150400.2.2
* kernel-livepatch-SLE15-SP4-RT_Update_1-debugsource-10-150400.2.2
* kernel-livepatch-5_14_21-150400_15_11-rt-debuginfo-8-150400.2.2
* kernel-livepatch-5_14_21-150400_15_5-rt-debuginfo-10-150400.2.2
* kernel-livepatch-5_14_21-150400_15_8-rt-debuginfo-9-150400.2.2
* kernel-livepatch-SLE15-SP4-RT_Update_5-debugsource-7-150400.2.1
* kernel-livepatch-5_14_21-150400_15_11-rt-8-150400.2.2
* openSUSE Leap 15.5 (x86_64)
* kernel-livepatch-5_14_21-150500_11-rt-4-150500.9.2
* kernel-livepatch-5_14_21-150500_11-rt-debuginfo-4-150500.9.2
* kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-4-150500.9.2
* SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
* kernel-livepatch-5_14_21-150500_11-rt-4-150500.9.2
* kernel-livepatch-5_14_21-150500_11-rt-debuginfo-4-150500.9.2
* kernel-livepatch-SLE15-SP5-RT_Update_0-debugsource-4-150500.9.2
## References:
* https://www.suse.com/security/cve/CVE-2023-1829.html
* https://www.suse.com/security/cve/CVE-2023-31248.html
* https://www.suse.com/security/cve/CVE-2023-3609.html
* https://www.suse.com/security/cve/CVE-2023-3776.html
* https://www.suse.com/security/cve/CVE-2023-3812.html
* https://www.suse.com/security/cve/CVE-2023-4273.html
* https://bugzilla.suse.com/show_bug.cgi?id=1210619
* https://bugzilla.suse.com/show_bug.cgi?id=1213064
* https://bugzilla.suse.com/show_bug.cgi?id=1213587
* https://bugzilla.suse.com/show_bug.cgi?id=1213706
* https://bugzilla.suse.com/show_bug.cgi?id=1214123
* https://bugzilla.suse.com/show_bug.cgi?id=1215119
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