Security update for the Linux Kernel

Announcement ID:	SUSE-SU-2023:1892-1
Rating:	important
References:	bsc#1207168 bsc#1208137 bsc#1208598 bsc#1208601 bsc#1208787 bsc#1209052 bsc#1209256 bsc#1209288 bsc#1209289 bsc#1209290 bsc#1209291 bsc#1209366 bsc#1209532 bsc#1209547 bsc#1209549 bsc#1209634 bsc#1209635 bsc#1209636 bsc#1209778 bsc#1209785
Cross-References:	CVE-2017-5753 CVE-2021-3923 CVE-2022-4744 CVE-2023-0394 CVE-2023-0461 CVE-2023-1075 CVE-2023-1078 CVE-2023-1281 CVE-2023-1382 CVE-2023-1390 CVE-2023-1513 CVE-2023-1582 CVE-2023-28327 CVE-2023-28328 CVE-2023-28464 CVE-2023-28466 CVE-2023-28772
CVSS scores:	CVE-2017-5753 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N 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 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 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 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 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 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 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 CVE-2023-0394 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-0394 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 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 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 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 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 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 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 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 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 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 CVE-2023-1382 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-1390 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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 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 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 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 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 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 CVE-2023-28327 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 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 CVE-2023-28328 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 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 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 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 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 CVE-2023-28772 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2023-28772 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro for Rancher 5.2 SUSE Linux Enterprise Real Time 15 SP3 SUSE Real Time Module 15-SP3

An update that solves 17 vulnerabilities and has three security 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:

• CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208787).
• CVE-2023-28772: Fixed buffer overflow in seq_buf_putmem_hex in lib/seq_buf.c (bsc#1209549).
• CVE-2023-1513: Fixed an uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak (bsc#1209532).
• CVE-2023-28464: Fixed use-after-free that could lead to privilege escalation in hci_conn_cleanup in net/bluetooth/hci_conn.c (bsc#1209052).
• CVE-2023-0394: Fixed a null pointer dereference flaw in the network subcomponent in the Linux kernel which could lead to system crash (bsc#1207168).
• 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).
• CVE-2021-3923: Fixed stack information leak vulnerability that could lead to kernel protection bypass in infiniband RDMA (bsc#1209778).
• CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1209289).
• CVE-2022-4744: Fixed double-free that could lead to DoS or privilege escalation in TUN/TAP device driver functionality (bsc#1209635).
• CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209634).
• CVE-2023-1582: Fixed soft lockup in __page_mapcount (bsc#1209636).
• CVE-2023-28327: Fixed DoS in in_skb in unix_diag_get_exact() (bsc#1209290).
• CVE-2017-5753: Fixed spectre vulnerability in prlimit (bsc#1209256).
• CVE-2023-1382: Fixed denial of service in tipc_conn_close (bsc#1209288).
• CVE-2023-28328: Fixed a denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c (bsc#1209291).
• CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208601).
• CVE-2023-1075: Fixed a type confusion in tls_is_tx_ready (bsc#1208598).
• CVE-2017-5753: Fixed spectre V1 vulnerability on netlink (bsc#1209547).

The following non-security bugs were fixed:

• ipv6: raw: Deduct extension header length in rawv6_push_pending_frames (bsc#1207168).
• net: ena: optimize data access in fast-path code (bsc#1208137).
• PCI: hv: Add a per-bus mutex state_lock (bsc#1209785).
• PCI: hv: fix a race condition bug in hv_pci_query_relations() (bsc#1209785).
• PCI: hv: Fix a race condition in hv_irq_unmask() that can cause panic (bsc#1209785).
• PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev (bsc#1209785).

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 Real Time Module 15-SP3
  zypper in -t patch SUSE-SLE-Module-RT-15-SP3-2023-1892=1
• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-1892=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1892=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-1892=1

Package List:

• SUSE Real Time Module 15-SP3 (x86_64)
  • kernel-rt-debugsource-5.3.18-150300.124.1
  • kernel-rt-devel-debuginfo-5.3.18-150300.124.1
  • kernel-rt-devel-5.3.18-150300.124.1
  • ocfs2-kmp-rt-debuginfo-5.3.18-150300.124.1
  • kernel-rt_debug-debugsource-5.3.18-150300.124.1
  • kernel-rt_debug-debuginfo-5.3.18-150300.124.1
  • cluster-md-kmp-rt-debuginfo-5.3.18-150300.124.1
  • kernel-rt_debug-devel-5.3.18-150300.124.1
  • kernel-syms-rt-5.3.18-150300.124.1
  • dlm-kmp-rt-5.3.18-150300.124.1
  • ocfs2-kmp-rt-5.3.18-150300.124.1
  • cluster-md-kmp-rt-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
  • kernel-rt_debug-devel-debuginfo-5.3.18-150300.124.1
  • kernel-rt-debuginfo-5.3.18-150300.124.1
  • dlm-kmp-rt-debuginfo-5.3.18-150300.124.1
• SUSE Real Time Module 15-SP3 (noarch)
  • kernel-source-rt-5.3.18-150300.124.1
  • kernel-devel-rt-5.3.18-150300.124.1
• SUSE Real Time Module 15-SP3 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.124.1
• SUSE Real Time Module 15-SP3 (nosrc)
  • kernel-rt_debug-5.3.18-150300.124.1
• SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.124.1
• 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
• SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.124.1
• 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
• SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.124.1
• 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:

• https://www.suse.com/security/cve/CVE-2017-5753.html
• https://www.suse.com/security/cve/CVE-2021-3923.html
• https://www.suse.com/security/cve/CVE-2022-4744.html
• https://www.suse.com/security/cve/CVE-2023-0394.html
• https://www.suse.com/security/cve/CVE-2023-0461.html
• https://www.suse.com/security/cve/CVE-2023-1075.html
• https://www.suse.com/security/cve/CVE-2023-1078.html
• https://www.suse.com/security/cve/CVE-2023-1281.html
• https://www.suse.com/security/cve/CVE-2023-1382.html
• https://www.suse.com/security/cve/CVE-2023-1390.html
• https://www.suse.com/security/cve/CVE-2023-1513.html
• https://www.suse.com/security/cve/CVE-2023-1582.html
• https://www.suse.com/security/cve/CVE-2023-28327.html
• https://www.suse.com/security/cve/CVE-2023-28328.html
• https://www.suse.com/security/cve/CVE-2023-28464.html
• https://www.suse.com/security/cve/CVE-2023-28466.html
• https://www.suse.com/security/cve/CVE-2023-28772.html
• https://bugzilla.suse.com/show_bug.cgi?id=1207168
• https://bugzilla.suse.com/show_bug.cgi?id=1208137
• https://bugzilla.suse.com/show_bug.cgi?id=1208598
• https://bugzilla.suse.com/show_bug.cgi?id=1208601
• https://bugzilla.suse.com/show_bug.cgi?id=1208787
• https://bugzilla.suse.com/show_bug.cgi?id=1209052
• https://bugzilla.suse.com/show_bug.cgi?id=1209256
• https://bugzilla.suse.com/show_bug.cgi?id=1209288
• https://bugzilla.suse.com/show_bug.cgi?id=1209289
• https://bugzilla.suse.com/show_bug.cgi?id=1209290
• https://bugzilla.suse.com/show_bug.cgi?id=1209291
• https://bugzilla.suse.com/show_bug.cgi?id=1209366
• https://bugzilla.suse.com/show_bug.cgi?id=1209532
• https://bugzilla.suse.com/show_bug.cgi?id=1209547
• https://bugzilla.suse.com/show_bug.cgi?id=1209549
• https://bugzilla.suse.com/show_bug.cgi?id=1209634
• https://bugzilla.suse.com/show_bug.cgi?id=1209635
• https://bugzilla.suse.com/show_bug.cgi?id=1209636
• https://bugzilla.suse.com/show_bug.cgi?id=1209778
• https://bugzilla.suse.com/show_bug.cgi?id=1209785