SUSE-SU-2022:2720-1: important: Security update for the Linux Kernel

sle-security-updates at sle-security-updates at
Tue Aug 9 16:18:57 UTC 2022

   SUSE Security Update: Security update for the Linux Kernel

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

Affected Products:
                    SUSE Linux Enterprise Server 12-SP5

   An update that solves 7 vulnerabilities and has 18 fixes is
   now available.


   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
   - 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
   - CVE-2022-1462: Fixed an out-of-bounds read flaw in the TTY subsystem

   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
   - nfs: avoid NULL pointer dereference when there is unflushed data
   - kvm: emulate: Fix SETcc emulation function offsets with SLS
   - 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
   - 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/ Also depend on dracut-systemd (bsc#1195775)
   - rpm/ add systemd-initrd and terminfo dracut
     module (bsc#1195775)
   - rpm/ 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()
   - scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
   - scsi: qla2xxx: Fix discovery issues in FC-AL topology (bsc#1201651).
   - scsi: qla2xxx: Fix erroneous mailbox timeout after PCI error injection
   - 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
   - scsi: qla2xxx: Fix losing FCP-2 targets on long port disable with I/Os
   - scsi: qla2xxx: Fix losing target when it reappears during delete
   - scsi: qla2xxx: Fix response queue handler reading stale packets
   - scsi: qla2xxx: Fix sparse warning for dport_data (bsc#1201651).
   - scsi: qla2xxx: Remove setting of 'req' and 'rsp' parameters
   - 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 (bsc#1201958).
   - scsi: qla2xxx: Update version to (bsc#1201958).
   - scsi: qla2xxx: Update version to (bsc#1201958).
   - scsi: qla2xxx: Update version to (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
   - scsi: qla2xxx: edif: Add retry for ELS passthrough (bsc#1201958).
   - scsi: qla2xxx: edif: Fix I/O timeout due to over-subscription
   - scsi: qla2xxx: edif: Fix dropped IKE message (bsc#1201651).
   - scsi: qla2xxx: edif: Fix n2n discovery issue with secure target
   - 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
   - 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
   - scsi: qla2xxx: edif: Reduce disruption due to multiple app start
   - 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
   - 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

Special Instructions and Notes:

   Please reboot the system after installing this update.

Patch Instructions:

   To install this SUSE Security 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 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2720=1

Package List:

   - SUSE Linux Enterprise Server 12-SP5 (x86_64):


   - SUSE Linux Enterprise Server 12-SP5 (noarch):



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