Security update for the Linux Kernel

Announcement ID:	SUSE-SU-2023:2502-1
Rating:	important
References:	bsc#1199636 bsc#1204405 bsc#1205756 bsc#1205758 bsc#1205760 bsc#1205762 bsc#1205803 bsc#1206024 bsc#1208474 bsc#1208604 bsc#1209287 bsc#1209779 bsc#1210715 bsc#1210783 bsc#1210940 bsc#1211037 bsc#1211043 bsc#1211105 bsc#1211131 bsc#1211186 bsc#1211203 bsc#1211590 bsc#1211592 bsc#1211596 bsc#1211622
Cross-References:	CVE-2020-36694 CVE-2022-3566 CVE-2022-4269 CVE-2022-45884 CVE-2022-45885 CVE-2022-45886 CVE-2022-45887 CVE-2022-45919 CVE-2023-1079 CVE-2023-1380 CVE-2023-1637 CVE-2023-2156 CVE-2023-2194 CVE-2023-23586 CVE-2023-2483 CVE-2023-2513 CVE-2023-31084 CVE-2023-31436 CVE-2023-32233 CVE-2023-32269 CVE-2023-33288
CVSS scores:	CVE-2020-36694 ( SUSE ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CVE-2020-36694 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2022-3566 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-3566 ( NVD ): 7.1 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-4269 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-4269 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-45884 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2022-45884 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-45885 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2022-45885 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-45886 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2022-45886 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-45887 ( SUSE ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2022-45887 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-45919 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2022-45919 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-1079 ( SUSE ): 6.3 CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-1079 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2023-1380 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVE-2023-1380 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2023-1637 ( SUSE ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L CVE-2023-1637 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-2156 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-2156 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-2194 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L CVE-2023-2194 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-23586 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-23586 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-2483 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-2513 ( SUSE ): 6.6 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-2513 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-31084 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-31084 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-31436 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-31436 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-32233 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-32233 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-32269 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2023-32269 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2023-33288 ( SUSE ): 4.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H CVE-2023-33288 ( NVD ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/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 21 vulnerabilities and has four 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-2023-2156: Fixed a flaw in the networking subsystem within the handling of the RPL protocol (bsc#1211131).
• CVE-2023-1637: Fixed vulnerability that could lead to unauthorized access to CPU memory after resuming CPU from suspend-to-RAM (bsc#1209779).
• CVE-2022-3566: Fixed race condition in the TCP Handler (bsc#1204405).
• CVE-2020-36694: Fixed an use-after-free issue in netfilter in the packet processing context (bsc#1211596).
• CVE-2023-1079: Fixed a use-after-free problem that could have been triggered in asus_kbd_backlight_set when plugging/disconnecting a malicious USB device (bsc#1208604).
• CVE-2023-33288: Fixed a use-after-free in bq24190_remove in drivers/power/supply/bq24190_charger.c (bsc#1211590).
• CVE-2022-45886: Fixed a .disconnect versus dvb_device_open race condition in dvb_net.c that lead to a use-after-free (bsc#1205760).
• CVE-2022-45885: Fixed a race condition in dvb_frontend.c that could cause a use-after-free when a device is disconnected (bsc#1205758).
• CVE-2022-45887: Fixed a memory leak in ttusb_dec.c caused by the lack of a dvb_frontend_detach call (bsc#1205762).
• CVE-2022-45919: Fixed a use-after-free in dvb_ca_en50221.c that could occur if there is a disconnect after an open, because of the lack of a wait_event (bsc#1205803).
• CVE-2022-45884: Fixed a use-after-free in dvbdev.c, related to dvb_register_device dynamically allocating fops (bsc#1205756).
• CVE-2023-31084: Fixed a blocking issue in drivers/media/dvb-core/dvb_frontend.c (bsc#1210783).
• CVE-2023-31436: Fixed an out-of-bounds write in qfq_change_class() because lmax can exceed QFQ_MIN_LMAX (bsc#1210940 bsc#1211260).
• CVE-2023-2194: Fixed an out-of-bounds write vulnerability in the SLIMpro I2C device driver (bsc#1210715).
• CVE-2023-32269: Fixed a use-after-free in af_netrom.c, related to the fact that accept() was also allowed for a successfully connected AF_NETROM socket (bsc#1211186).
• CVE-2023-32233: Fixed a use-after-free in Netfilter nf_tables when processing batch requests (bsc#1211043).
• CVE-2022-4269: Fixed a flaw was found inside the Traffic Control (TC) subsystem (bsc#1206024).
• CVE-2023-1380: Fixed a slab-out-of-bound read problem in brcmf_get_assoc_ies() (bsc#1209287).
• CVE-2023-2513: Fixed a use-after-free vulnerability in the ext4 filesystem (bsc#1211105).
• CVE-2023-2483: Fixed a use after free bug in emac_remove due caused by a race condition (bsc#1211037).
• CVE-2023-23586: Fixed a memory information leak in the io_uring subsystem (bsc#1208474).

The following non-security bugs were fixed:

• Drivers: hv: vmbus: Optimize vmbus_on_event (bsc#1211622).
• SUNRPC: Ensure the transport backchannel association (bsc#1211203).
• ipv6: sr: fix out-of-bounds read when setting HMAC data (bsc#1211592).
• s390,dcssblk,dax: Add dax zero_page_range operation to dcssblk driver (bsc#1199636).

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-SP3-2023-2502=1
• SUSE Linux Enterprise Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-2502=1
• SUSE Linux Enterprise Micro 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-2502=1
• SUSE Linux Enterprise Micro for Rancher 5.2
  zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-2502=1

Package List:

• SUSE Real Time Module 15-SP3 (x86_64)
  • kernel-rt-devel-debuginfo-5.3.18-150300.130.1
  • ocfs2-kmp-rt-5.3.18-150300.130.1
  • kernel-rt_debug-devel-5.3.18-150300.130.1
  • cluster-md-kmp-rt-debuginfo-5.3.18-150300.130.1
  • dlm-kmp-rt-5.3.18-150300.130.1
  • kernel-rt_debug-devel-debuginfo-5.3.18-150300.130.1
  • cluster-md-kmp-rt-5.3.18-150300.130.1
  • kernel-rt_debug-debuginfo-5.3.18-150300.130.1
  • dlm-kmp-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt_debug-debugsource-5.3.18-150300.130.1
  • kernel-syms-rt-5.3.18-150300.130.1
  • ocfs2-kmp-rt-debuginfo-5.3.18-150300.130.1
  • gfs2-kmp-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt-devel-5.3.18-150300.130.1
  • kernel-rt-debugsource-5.3.18-150300.130.1
  • gfs2-kmp-rt-5.3.18-150300.130.1
• SUSE Real Time Module 15-SP3 (noarch)
  • kernel-source-rt-5.3.18-150300.130.1
  • kernel-devel-rt-5.3.18-150300.130.1
• SUSE Real Time Module 15-SP3 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.130.1
• SUSE Real Time Module 15-SP3 (nosrc)
  • kernel-rt_debug-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro 5.1 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro 5.1 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt-debugsource-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro 5.2 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt-debugsource-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (nosrc x86_64)
  • kernel-rt-5.3.18-150300.130.1
• SUSE Linux Enterprise Micro for Rancher 5.2 (x86_64)
  • kernel-rt-debuginfo-5.3.18-150300.130.1
  • kernel-rt-debugsource-5.3.18-150300.130.1

References:

• https://www.suse.com/security/cve/CVE-2020-36694.html
• https://www.suse.com/security/cve/CVE-2022-3566.html
• https://www.suse.com/security/cve/CVE-2022-4269.html
• https://www.suse.com/security/cve/CVE-2022-45884.html
• https://www.suse.com/security/cve/CVE-2022-45885.html
• https://www.suse.com/security/cve/CVE-2022-45886.html
• https://www.suse.com/security/cve/CVE-2022-45887.html
• https://www.suse.com/security/cve/CVE-2022-45919.html
• https://www.suse.com/security/cve/CVE-2023-1079.html
• https://www.suse.com/security/cve/CVE-2023-1380.html
• https://www.suse.com/security/cve/CVE-2023-1637.html
• https://www.suse.com/security/cve/CVE-2023-2156.html
• https://www.suse.com/security/cve/CVE-2023-2194.html
• https://www.suse.com/security/cve/CVE-2023-23586.html
• https://www.suse.com/security/cve/CVE-2023-2483.html
• https://www.suse.com/security/cve/CVE-2023-2513.html
• https://www.suse.com/security/cve/CVE-2023-31084.html
• https://www.suse.com/security/cve/CVE-2023-31436.html
• https://www.suse.com/security/cve/CVE-2023-32233.html
• https://www.suse.com/security/cve/CVE-2023-32269.html
• https://www.suse.com/security/cve/CVE-2023-33288.html
• https://bugzilla.suse.com/show_bug.cgi?id=1199636
• https://bugzilla.suse.com/show_bug.cgi?id=1204405
• https://bugzilla.suse.com/show_bug.cgi?id=1205756
• https://bugzilla.suse.com/show_bug.cgi?id=1205758
• https://bugzilla.suse.com/show_bug.cgi?id=1205760
• https://bugzilla.suse.com/show_bug.cgi?id=1205762
• https://bugzilla.suse.com/show_bug.cgi?id=1205803
• https://bugzilla.suse.com/show_bug.cgi?id=1206024
• https://bugzilla.suse.com/show_bug.cgi?id=1208474
• https://bugzilla.suse.com/show_bug.cgi?id=1208604
• https://bugzilla.suse.com/show_bug.cgi?id=1209287
• https://bugzilla.suse.com/show_bug.cgi?id=1209779
• https://bugzilla.suse.com/show_bug.cgi?id=1210715
• https://bugzilla.suse.com/show_bug.cgi?id=1210783
• https://bugzilla.suse.com/show_bug.cgi?id=1210940
• https://bugzilla.suse.com/show_bug.cgi?id=1211037
• https://bugzilla.suse.com/show_bug.cgi?id=1211043
• https://bugzilla.suse.com/show_bug.cgi?id=1211105
• https://bugzilla.suse.com/show_bug.cgi?id=1211131
• https://bugzilla.suse.com/show_bug.cgi?id=1211186
• https://bugzilla.suse.com/show_bug.cgi?id=1211203
• https://bugzilla.suse.com/show_bug.cgi?id=1211590
• https://bugzilla.suse.com/show_bug.cgi?id=1211592
• https://bugzilla.suse.com/show_bug.cgi?id=1211596
• https://bugzilla.suse.com/show_bug.cgi?id=1211622