Security update for the Linux Kernel

Announcement ID:	SUSE-SU-2022:2720-1
Rating:	important
References:	bsc#1103269 bsc#1114648 bsc#1190812 bsc#1195775 bsc#1195926 bsc#1198484 bsc#1198829 bsc#1200442 bsc#1200598 bsc#1200644 bsc#1200651 bsc#1200910 bsc#1201196 bsc#1201381 bsc#1201429 bsc#1201635 bsc#1201636 bsc#1201644 bsc#1201651 bsc#1201742 bsc#1201752 bsc#1201930 bsc#1201940 bsc#1201954 bsc#1201958
Cross-References:	CVE-2020-36557 CVE-2020-36558 CVE-2021-33655 CVE-2021-33656 CVE-2022-1462 CVE-2022-20166 CVE-2022-36946
CVSS scores:	CVE-2020-36557 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-36557 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2020-36558 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-36558 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2021-33655 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-33655 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2021-33656 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H CVE-2021-33656 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-1462 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-1462 ( NVD ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-20166 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H CVE-2022-20166 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2022-36946 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-36946 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves seven vulnerabilities and has 18 security fixes can now be installed.

Description:

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

• CVE-2022-36946: Fixed an incorrect packet trucation operation which could lead to denial of service (bnc#1201940).
• CVE-2022-20166: Fixed several possible memory safety issues due to unsafe operations (bsc#1200598).
• CVE-2020-36558: Fixed a race condition involving VT_RESIZEX which could lead to a NULL pointer dereference and general protection fault (bnc#1200910).
• CVE-2020-36557: Fixed a race condition between the VT_DISALLOCATE ioctl and closing/opening of TTYs could lead to a use-after-free (bnc#1201429).
• CVE-2021-33656: Fixed memory out of bounds write related to ioctl cmd PIO_FONT (bnc#1201636).
• CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635).
• CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem (bnc#1198829).

The following non-security bugs were fixed:

• Add missing recommends of kernel-install-tools (bsc#1200442)
• qla2xxx: drop patch which prevented nvme port discovery (bsc#1200651 bsc#1200644 bsc#1201954 bsc#1201958).
• kvm: emulate: do not adjust size of fastop and setcc subroutines (bsc#1201930).
• nfs: avoid NULL pointer dereference when there is unflushed data (bsc#1201196).
• kvm: emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930).
• lkdtm: Disable return thunks in rodata.c (bsc#1114648).
• powerpc/64: Move paca allocation later in boot (bsc#1190812).
• powerpc/fadump: fix PT_LOAD segment for boot memory area (bsc#1103269 ltc#169948).
• powerpc/fadump: make crash memory ranges array allocation generic (bsc#1103269 ltc#169948).
• powerpc: Set crashkernel offset to mid of RMA region (bsc#1190812).
• rpm/kernel-obs-build.spec.in: Also depend on dracut-systemd (bsc#1195775)
• rpm/kernel-obs-build.spec.in: add systemd-initrd and terminfo dracut module (bsc#1195775)
• rpm/kernel-obs-build.spec.in: use default dracut modules (bsc#1195926, bsc#1198484) Let's iron out the reduced initrd optimisation in Tumbleweed. Build full blown dracut initrd with systemd for SLE15 SP4.
• scsi: qla2xxx: Add a new v2 dport diagnostic feature (bsc#1201958).
• scsi: qla2xxx: Add debug prints in the device remove path (bsc#1201958).
• scsi: qla2xxx: Check correct variable in qla24xx_async_gffid() (bsc#1201958).
• scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts (bsc#1201958).
• scsi: qla2xxx: Fix discovery issues in FC-AL topology (bsc#1201651).
• scsi: qla2xxx: Fix erroneous mailbox timeout after PCI error injection (bsc#1201958).
• scsi: qla2xxx: Fix excessive I/O error messages by default (bsc#1201958).
• scsi: qla2xxx: Fix imbalance vha->vref_count (bsc#1201651).
• scsi: qla2xxx: Fix incorrect display of max frame size (bsc#1201958).
• scsi: qla2xxx: Fix losing FCP-2 targets during port perturbation tests (bsc#1201958).
• scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os (bsc#1201958).
• scsi: qla2xxx: Fix losing target when it reappears during delete (bsc#1201958).
• scsi: qla2xxx: Fix response queue handler reading stale packets (bsc#1201651).
• scsi: qla2xxx: Fix sparse warning for dport_data (bsc#1201651).
• scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters (bsc#1201958).
• scsi: qla2xxx: Remove unused 'ql_dm_tgt_ex_pct' parameter (bsc#1201958).
• scsi: qla2xxx: Turn off multi-queue for 8G adapters (bsc#1201958).
• scsi: qla2xxx: Update manufacturer details (bsc#1201958).
• scsi: qla2xxx: Update version to 10.02.07.500-k (bsc#1201958).
• scsi: qla2xxx: Update version to 10.02.07.600-k (bsc#1201958).
• scsi: qla2xxx: Update version to 10.02.07.700-k (bsc#1201958).
• scsi: qla2xxx: Update version to 10.02.07.800-k (bsc#1201958).
• scsi: qla2xxx: Wind down adapter after PCIe error (bsc#1201958).
• scsi: qla2xxx: Zero undefined mailbox IN registers (bsc#1201651).
• scsi: qla2xxx: edif: Add bsg interface to read doorbell events (bsc#1201958).
• scsi: qla2xxx: edif: Add retry for ELS passthrough (bsc#1201958).
• scsi: qla2xxx: edif: Fix I/O timeout due to over-subscription (bsc#1201958).
• scsi: qla2xxx: edif: Fix dropped IKE message (bsc#1201651).
• scsi: qla2xxx: edif: Fix n2n discovery issue with secure target (bsc#1201958).
• scsi: qla2xxx: edif: Fix n2n login retry for secure device (bsc#1201958).
• scsi: qla2xxx: edif: Fix no login after app start (bsc#1201958).
• scsi: qla2xxx: edif: Fix no logout on delete for N2N (bsc#1201958).
• scsi: qla2xxx: edif: Fix potential stuck session in sa update (bsc#1201958).
• scsi: qla2xxx: edif: Fix session thrash (bsc#1201958).
• scsi: qla2xxx: edif: Fix slow session teardown (bsc#1201958).
• scsi: qla2xxx: edif: Reduce Initiator-Initiator thrashing (bsc#1201958).
• scsi: qla2xxx: edif: Reduce N2N thrashing at app_start time (bsc#1201958).
• scsi: qla2xxx: edif: Reduce disruption due to multiple app start (bsc#1201958).
• scsi: qla2xxx: edif: Remove old doorbell interface (bsc#1201958).
• scsi: qla2xxx: edif: Send LOGO for unexpected IKE message (bsc#1201958).
• scsi: qla2xxx: edif: Synchronize NPIV deletion with authentication application (bsc#1201958).
• scsi: qla2xxx: edif: Tear down session if keys have been removed (bsc#1201958).
• scsi: qla2xxx: edif: Wait for app to ack on sess down (bsc#1201958).
• scsi: qla2xxx: edif: bsg refactor (bsc#1201958).
• x86/entry: Remove skip_r11rcx (bsc#1201644).
• x86/retbleed: Add fine grained Kconfig knobs (bsc#1114648).
• xen/netback: avoid entering xenvif_rx_next_skb() with an empty rx queue (bsc#1201381).

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 Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2720=1
• SUSE Linux Enterprise High Performance Computing 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2720=1
• SUSE Linux Enterprise Server 12 SP5
  zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2720=1

Package List:

• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (nosrc x86_64)
  • kernel-azure-4.12.14-16.106.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
  • kernel-azure-debugsource-4.12.14-16.106.1
  • kernel-azure-debuginfo-4.12.14-16.106.1
  • kernel-syms-azure-4.12.14-16.106.1
  • kernel-azure-base-4.12.14-16.106.1
  • kernel-azure-devel-4.12.14-16.106.1
  • kernel-azure-base-debuginfo-4.12.14-16.106.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
  • kernel-source-azure-4.12.14-16.106.1
  • kernel-devel-azure-4.12.14-16.106.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (nosrc x86_64)
  • kernel-azure-4.12.14-16.106.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
  • kernel-azure-debugsource-4.12.14-16.106.1
  • kernel-azure-debuginfo-4.12.14-16.106.1
  • kernel-syms-azure-4.12.14-16.106.1
  • kernel-azure-base-4.12.14-16.106.1
  • kernel-azure-devel-4.12.14-16.106.1
  • kernel-azure-base-debuginfo-4.12.14-16.106.1
• SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
  • kernel-source-azure-4.12.14-16.106.1
  • kernel-devel-azure-4.12.14-16.106.1
• SUSE Linux Enterprise Server 12 SP5 (nosrc x86_64)
  • kernel-azure-4.12.14-16.106.1
• SUSE Linux Enterprise Server 12 SP5 (x86_64)
  • kernel-azure-debugsource-4.12.14-16.106.1
  • kernel-azure-debuginfo-4.12.14-16.106.1
  • kernel-syms-azure-4.12.14-16.106.1
  • kernel-azure-base-4.12.14-16.106.1
  • kernel-azure-devel-4.12.14-16.106.1
  • kernel-azure-base-debuginfo-4.12.14-16.106.1
• SUSE Linux Enterprise Server 12 SP5 (noarch)
  • kernel-source-azure-4.12.14-16.106.1
  • kernel-devel-azure-4.12.14-16.106.1

References:

• https://www.suse.com/security/cve/CVE-2020-36557.html
• https://www.suse.com/security/cve/CVE-2020-36558.html
• https://www.suse.com/security/cve/CVE-2021-33655.html
• https://www.suse.com/security/cve/CVE-2021-33656.html
• https://www.suse.com/security/cve/CVE-2022-1462.html
• https://www.suse.com/security/cve/CVE-2022-20166.html
• https://www.suse.com/security/cve/CVE-2022-36946.html
• https://bugzilla.suse.com/show_bug.cgi?id=1103269
• https://bugzilla.suse.com/show_bug.cgi?id=1114648
• https://bugzilla.suse.com/show_bug.cgi?id=1190812
• https://bugzilla.suse.com/show_bug.cgi?id=1195775
• https://bugzilla.suse.com/show_bug.cgi?id=1195926
• https://bugzilla.suse.com/show_bug.cgi?id=1198484
• https://bugzilla.suse.com/show_bug.cgi?id=1198829
• https://bugzilla.suse.com/show_bug.cgi?id=1200442
• https://bugzilla.suse.com/show_bug.cgi?id=1200598
• https://bugzilla.suse.com/show_bug.cgi?id=1200644
• https://bugzilla.suse.com/show_bug.cgi?id=1200651
• https://bugzilla.suse.com/show_bug.cgi?id=1200910
• https://bugzilla.suse.com/show_bug.cgi?id=1201196
• https://bugzilla.suse.com/show_bug.cgi?id=1201381
• https://bugzilla.suse.com/show_bug.cgi?id=1201429
• https://bugzilla.suse.com/show_bug.cgi?id=1201635
• https://bugzilla.suse.com/show_bug.cgi?id=1201636
• https://bugzilla.suse.com/show_bug.cgi?id=1201644
• https://bugzilla.suse.com/show_bug.cgi?id=1201651
• https://bugzilla.suse.com/show_bug.cgi?id=1201742
• https://bugzilla.suse.com/show_bug.cgi?id=1201752
• https://bugzilla.suse.com/show_bug.cgi?id=1201930
• https://bugzilla.suse.com/show_bug.cgi?id=1201940
• https://bugzilla.suse.com/show_bug.cgi?id=1201954
• https://bugzilla.suse.com/show_bug.cgi?id=1201958