Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2023.2226
Security update for the Linux Kernel
19 April 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-28772 CVE-2023-28466 CVE-2023-28464
CVE-2023-28328 CVE-2023-28327 CVE-2023-1582
CVE-2023-1513 CVE-2023-1390 CVE-2023-1382
CVE-2023-1281 CVE-2023-1078 CVE-2023-1075
CVE-2023-0461 CVE-2022-4744 CVE-2021-3923
CVE-2017-5753
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20231892-1
Comment: CVSS (Max): 7.8 CVE-2023-28466 (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
Announcement ID: SUSE-SU-2023:1892-1
Rating: important
o #1207168
o #1208137
o #1208598
o #1208601
o #1208787
o #1209052
o #1209256
o #1209288
o #1209289
o #1209290
References: o #1209291
o #1209366
o #1209532
o #1209547
o #1209549
o #1209634
o #1209635
o #1209636
o #1209778
o #1209785
o CVE-2017-5753
o CVE-2021-3923
o CVE-2022-4744
o CVE-2023-0461
o CVE-2023-1075
o CVE-2023-1078
o CVE-2023-1281
o CVE-2023-1382
Cross-References: o CVE-2023-1390
o CVE-2023-1513
o CVE-2023-1582
o CVE-2023-28327
o CVE-2023-28328
o CVE-2023-28464
o CVE-2023-28466
o CVE-2023-28772
o CVE-2017-5753 ( SUSE ): 7.1 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/
S:C/C:H/I:N/A:N
o CVE-2017-5753 ( NVD ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:C/C:H/I:N/A:N
o CVE-2017-5753 ( NVD ): 5.6 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/
S:C/C:H/I:N/A:N
o CVE-2021-3923 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:L/I:N/A:N
o CVE-2021-3923 ( NVD ): 2.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/
S:U/C:L/I:N/A:N
o CVE-2022-4744 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2022-4744 ( 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-2023-1075 ( SUSE ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:L/I:N/A:N
o CVE-2023-1075 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:L/I:N/A:N
o CVE-2023-1078 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-1078 ( 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
CVSS scores: o CVE-2023-1382 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1390 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1390 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1513 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:L
o CVE-2023-1513 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:L/I:N/A:N
o CVE-2023-1582 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1582 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-28327 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:U/C:N/I:N/A:H
o CVE-2023-28328 ( SUSE ): 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 ): 4.8 CVSS:3.1/AV:A/AC:H/PR:N/UI:R
/S:U/C:N/I:N/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 CVE-2023-28466 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N
/S:U/C:H/I:H/A:H
o CVE-2023-28466 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:H/I:H/A:H
o CVE-2023-28772 ( SUSE ): 3.0 CVSS:3.1/AV:L/AC:H/PR:H/UI:N
/S:U/C:N/I:L/A:L
o CVE-2023-28772 ( 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 Micro 5.1
Affected o SUSE Linux Enterprise Micro 5.2
Products: o SUSE Linux Enterprise Micro for Rancher 5.2
o SUSE Linux Enterprise Real Time 15 SP3
o SUSE Real Time Module 15-SP3
An update that solves 16 vulnerabilities and has four fixes can now be
installed.
Description:
The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
o CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208787).
o CVE-2023-28772: Fixed buffer overflow in seq_buf_putmem_hex in lib/
seq_buf.c (bsc#1209549).
o CVE-2023-1513: Fixed an uninitialized portions of the kvm_debugregs
structure that could be copied to userspace, causing an information leak
(bsc#1209532).
o CVE-2023-28464: Fixed user-after-free that could lead to privilege
escalation in hci_conn_cleanup in net/bluetooth/hci_conn.c (bsc#1209052).
o CVE-2023-28466: Fixed race condition that could lead to use-after-free or
NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc#
1209366).
o CVE-2021-3923: Fixed stack information leak vulnerability that could lead
to kernel protection bypass in infiniband RDMA (bsc#1209778).
o CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#
1209289).
o CVE-2022-4744: Fixed double-free that could lead to DoS or privilege
escalation in TUN/TAP device driver functionality (bsc#1209635).
o CVE-2023-1281: Fixed use after free that could lead to privilege escalation
in tcindex (bsc#1209634).
o CVE-2023-1582: Fixed soft lockup in __page_mapcount (bsc#1209636).
o CVE-2023-28327: Fixed DoS in in_skb in unix_diag_get_exact() (bsc#1209290).
o CVE-2017-5753: Fixed spectre vulnerability in prlimit (bsc#1209256).
o CVE-2023-1382: Fixed denial of service in tipc_conn_close (bsc#1209288).
o CVE-2023-28328: Fixed a denial of service issue in az6027 driver in drivers
/media/usb/dev-usb/az6027.c (bsc#1209291).
o CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback
(bsc#1208601).
o CVE-2023-1075: Fixed a type confusion in tls_is_tx_ready (bsc#1208598).
o CVE-2017-5753: Fixed spectre V1 vulnerability on netlink (bsc#1209547).
The following non-security bugs were fixed:
o ipv6: raw: Deduct extension header length in rawv6_push_pending_frames (bsc
#1207168).
o net: ena: optimize data access in fast-path code (bsc#1208137).
o PCI: hv: Add a per-bus mutex state_lock (bsc#1209785).
o PCI: hv: fix a race condition bug in hv_pci_query_relations() (bsc#
1209785).
o PCI: hv: Fix a race condition in hv_irq_unmask() that can cause panic (bsc#
1209785).
o PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev (bsc#
1209785).
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 Real Time Module 15-SP3
zypper in -t patch SUSE-SLE-Module-RT-15-SP3-2023-1892=1
o SUSE Linux Enterprise Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-1892=1
o SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1892=1
o SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1892=1
Package List:
o SUSE Real Time Module 15-SP3 (x86_64)
cluster-md-kmp-rt-debuginfo-5.3.18-150300.124.1
kernel-rt_debug-devel-5.3.18-150300.124.1
kernel-rt_debug-debuginfo-5.3.18-150300.124.1
kernel-rt-devel-5.3.18-150300.124.1
kernel-rt_debug-debugsource-5.3.18-150300.124.1
gfs2-kmp-rt-debuginfo-5.3.18-150300.124.1
gfs2-kmp-rt-5.3.18-150300.124.1
dlm-kmp-rt-5.3.18-150300.124.1
cluster-md-kmp-rt-5.3.18-150300.124.1
kernel-rt-devel-debuginfo-5.3.18-150300.124.1
ocfs2-kmp-rt-5.3.18-150300.124.1
ocfs2-kmp-rt-debuginfo-5.3.18-150300.124.1
kernel-rt_debug-devel-debuginfo-5.3.18-150300.124.1
kernel-rt-debugsource-5.3.18-150300.124.1
kernel-syms-rt-5.3.18-150300.124.1
dlm-kmp-rt-debuginfo-5.3.18-150300.124.1
kernel-rt-debuginfo-5.3.18-150300.124.1
o SUSE Real Time Module 15-SP3 (noarch)
kernel-devel-rt-5.3.18-150300.124.1
kernel-source-rt-5.3.18-150300.124.1
o SUSE Real Time Module 15-SP3 (nosrc x86_64)
kernel-rt-5.3.18-150300.124.1
o SUSE Real Time Module 15-SP3 (nosrc)
kernel-rt_debug-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
kernel-rt-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro 5.1 (x86_64)
kernel-rt-debugsource-5.3.18-150300.124.1
kernel-rt-debuginfo-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
kernel-rt-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro 5.2 (x86_64)
kernel-rt-debugsource-5.3.18-150300.124.1
kernel-rt-debuginfo-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
kernel-rt-5.3.18-150300.124.1
o SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
kernel-rt-debugsource-5.3.18-150300.124.1
kernel-rt-debuginfo-5.3.18-150300.124.1
References:
o https://www.suse.com/security/cve/CVE-2017-5753.html
o https://www.suse.com/security/cve/CVE-2021-3923.html
o https://www.suse.com/security/cve/CVE-2022-4744.html
o https://www.suse.com/security/cve/CVE-2023-0461.html
o https://www.suse.com/security/cve/CVE-2023-1075.html
o https://www.suse.com/security/cve/CVE-2023-1078.html
o https://www.suse.com/security/cve/CVE-2023-1281.html
o https://www.suse.com/security/cve/CVE-2023-1382.html
o https://www.suse.com/security/cve/CVE-2023-1390.html
o https://www.suse.com/security/cve/CVE-2023-1513.html
o https://www.suse.com/security/cve/CVE-2023-1582.html
o https://www.suse.com/security/cve/CVE-2023-28327.html
o https://www.suse.com/security/cve/CVE-2023-28328.html
o https://www.suse.com/security/cve/CVE-2023-28464.html
o https://www.suse.com/security/cve/CVE-2023-28466.html
o https://www.suse.com/security/cve/CVE-2023-28772.html
o https://bugzilla.suse.com/show_bug.cgiid=1207168
o https://bugzilla.suse.com/show_bug.cgiid=1208137
o https://bugzilla.suse.com/show_bug.cgiid=1208598
o https://bugzilla.suse.com/show_bug.cgiid=1208601
o https://bugzilla.suse.com/show_bug.cgiid=1208787
o https://bugzilla.suse.com/show_bug.cgiid=1209052
o https://bugzilla.suse.com/show_bug.cgiid=1209256
o https://bugzilla.suse.com/show_bug.cgiid=1209288
o https://bugzilla.suse.com/show_bug.cgiid=1209289
o https://bugzilla.suse.com/show_bug.cgiid=1209290
o https://bugzilla.suse.com/show_bug.cgiid=1209291
o https://bugzilla.suse.com/show_bug.cgiid=1209366
o https://bugzilla.suse.com/show_bug.cgiid=1209532
o https://bugzilla.suse.com/show_bug.cgiid=1209547
o https://bugzilla.suse.com/show_bug.cgiid=1209549
o https://bugzilla.suse.com/show_bug.cgiid=1209634
o https://bugzilla.suse.com/show_bug.cgiid=1209635
o https://bugzilla.suse.com/show_bug.cgiid=1209636
o https://bugzilla.suse.com/show_bug.cgiid=1209778
o https://bugzilla.suse.com/show_bug.cgiid=1209785
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