SUSE-SU-2021:14630-1: important: Security update for the Linux Kernel

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Tue Feb 16 20:16:25 UTC 2021


   SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:14630-1
Rating:             important
References:         #1152107 #1168952 #1173659 #1173942 #1174205 
                    #1174247 #1174993 #1175691 #1176011 #1176012 
                    #1176235 #1176253 #1176278 #1176395 #1176423 
                    #1176482 #1176485 #1176722 #1176896 #1177206 
                    #1177226 #1177666 #1177766 #1177906 #1178123 
                    #1178182 #1178589 #1178590 #1178622 #1178886 
                    #1179107 #1179140 #1179141 #1179419 #1179601 
                    #1179616 #1179745 #1179877 #1180029 #1180030 
                    #1180052 #1180086 #1180559 #1180562 #1181158 
                    #1181166 #1181349 #1181553 
Cross-References:   CVE-2019-16746 CVE-2020-0404 CVE-2020-0431
                    CVE-2020-0465 CVE-2020-11668 CVE-2020-14331
                    CVE-2020-14353 CVE-2020-14381 CVE-2020-14390
                    CVE-2020-15436 CVE-2020-15437 CVE-2020-25211
                    CVE-2020-25284 CVE-2020-25285 CVE-2020-25643
                    CVE-2020-25656 CVE-2020-25668 CVE-2020-25669
                    CVE-2020-27068 CVE-2020-27777 CVE-2020-27786
                    CVE-2020-28915 CVE-2020-28974 CVE-2020-29660
                    CVE-2020-29661 CVE-2020-36158 CVE-2020-4788
                    CVE-2021-3347
CVSS scores:
                    CVE-2019-16746 (NVD) : 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2019-16746 (SUSE): 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
                    CVE-2020-0404 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-0404 (SUSE): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-0431 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-0431 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-0465 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-0465 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-11668 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
                    CVE-2020-11668 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
                    CVE-2020-14331 (NVD) : 6.6 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-14331 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-14353 (SUSE): 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
                    CVE-2020-14381 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-14381 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-14390 (NVD) : 5.6 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
                    CVE-2020-14390 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-15436 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-15436 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-15437 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-15437 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-25211 (NVD) : 6 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
                    CVE-2020-25211 (SUSE): 5.9 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
                    CVE-2020-25284 (NVD) : 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
                    CVE-2020-25284 (SUSE): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-25285 (NVD) : 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-25285 (SUSE): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-25643 (NVD) : 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-25643 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-25656 (NVD) : 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
                    CVE-2020-25656 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-25668 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-25669 (SUSE): 4.3 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-27068 (SUSE): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
                    CVE-2020-27777 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-27777 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-27786 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-27786 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-28915 (NVD) : 5.8 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H
                    CVE-2020-28915 (SUSE): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
                    CVE-2020-28974 (NVD) : 5 CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
                    CVE-2020-28974 (SUSE): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
                    CVE-2020-29660 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
                    CVE-2020-29660 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-29661 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-29661 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-36158 (NVD) : 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-36158 (SUSE): 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2020-4788 (SUSE): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
                    CVE-2021-3347 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-3347 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server 11-SP4-LTSS
                    SUSE Linux Enterprise Server 11-EXTRA
                    SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

   An update that solves 28 vulnerabilities and has 20 fixes
   is now available.

Description:

   The SUSE Linux Enterprise 11 SP4 kernel was updated to receive various
   security and bugfixes.


   The following security bugs were fixed:


   - CVE-2021-3347: A use-after-free was discovered in the PI futexes during
     fault handling, allowing local users to execute code in the kernel
     (bnc#1181349).
   - CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c
     that could have led to local privilege escalation (bnc#1180029).
   - CVE-2020-25211: Fixed a flaw where a local attacker was able to inject
     conntrack netlink configuration that could cause a denial of service or
     trigger the use of incorrect protocol numbers in
     ctnetlink_parse_tuple_filter (bnc#1176395).
   - CVE-2020-14390: Fixed an out-of-bounds memory write leading to memory
     corruption or a denial of service when changing screen size
     (bnc#1176235).
   - CVE-2020-25284: Fixed an incomplete permission checking for access to
     rbd devices, which could have been leveraged by local attackers to map
     or unmap rbd block devices (bsc#1176482).
   - CVE-2020-15436: Fixed a use after free vulnerability in fs/block_dev.c
     which could have allowed local users to gain privileges or cause a
     denial of service (bsc#1179141).
   - CVE-2020-14331: Fixed a missing check in vgacon scrollback handling
     (bsc#1174205).
   - CVE-2020-14353: Fixed an issue where keys - for keyctl prevent creating
     a different user's keyrings (bsc#1174993).
   - CVE-2020-14381: Fixed requeue paths such that filp was valid when
     dropping the references (bsc#1176011).
   - CVE-2020-27068: Fixed an out-of-bounds read due to a missing bounds
     check in the nl80211_policy policy of nl80211.c (bnc#1180086).
   - CVE-2020-27777: Fixed a privilege escalation in the Run-Time Abstraction
     Services (RTAS) interface, affecting guests running on top of PowerVM or
     KVM hypervisors (bnc#1179107).
   - CVE-2020-27786: Fixed an out-of-bounds write in the MIDI implementation
     (bnc#1179601).
   - CVE-2020-29660: Fixed a locking inconsistency in the tty subsystem that
     may have allowed a read-after-free attack against TIOCGSID (bnc#1179745).
   - CVE-2020-29661: Fixed a locking issue in the tty subsystem that allowed
     a use-after-free attack against TIOCSPGRP (bsc#1179745).
   - CVE-2020-28974: Fixed a slab-out-of-bounds read in fbcon which could
     have been used by local attackers to read privileged information or
     potentially crash the kernel (bsc#1178589).
   - CVE-2020-28915: Fixed a buffer over-read in the fbcon code which could
     have been used by local attackers to read kernel memory (bsc#1178886).
   - CVE-2020-25669: Fixed a use-after-free read in sunkbd_reinit()
     (bsc#1178182).
   - CVE-2020-25285: A race condition between hugetlb sysctl handlers in
     mm/hugetlb.c could be used by local attackers to corrupt memory, cause a
     NULL pointer dereference, or possibly have unspecified other impact
     (bnc#1176485 ).
   - CVE-2020-15437: Fixed a null pointer dereference which could have
     allowed local users to cause a denial of service (bsc#1179140).
   - CVE-2020-36158: Fixed a potential remote code execution in the Marvell
     mwifiex driver (bsc#1180559).
   - CVE-2020-11668: Fixed the mishandling of invalid descriptors in the
     Xirlink camera USB driver (bnc#1168952).
   - CVE-2020-25668: Fixed a use-after-free in con_font_op() (bsc#1178123).
   - CVE-2020-4788: Fixed an issue with IBM Power9 processors could have
     allowed a local user to obtain sensitive information from the data in
     the L1 cache under extenuating circumstances (bsc#1177666).
   - CVE-2020-0431: Fixed an out of bounds write due to a missing bounds
     check (bsc#1176722).
   - CVE-2020-0404: Fixed a linked list corruption due to an unusual root
     cause (bsc#1176423).
   - CVE-2019-20934: Fixed a use-after-free in show_numa_stats() because NUMA
     fault statistics were inappropriately freed (bsc#1179663).
   - CVE-2020-25656: Fixed a concurrency use-after-free in vt_do_kdgkb_ioctl
     (bnc#1177766).
   - CVE-2020-25643: Fixed a memory corruption and a read overflow which
     could have caused by improper input validation in the ppp_cp_parse_cr
     function (bsc#1177206).
   - CVE-2019-16746: Fixed a buffer overflow in net/wireless/nl80211.c
     (bsc#1173659).

   The following non-security bugs were fixed:

   - HID: Fix slab-out-of-bounds read in hid_field_extract (bsc#1180052).
   - cifs: bugfix for unreclaimed writeback pages in cifs_writev_requeue()
     (bsc#1177906).
   - mm, vmstat: reduce zone->lock holding time by /proc/pagetypeinfo
     (bsc#1175691).
   - net/x25: fix a race in x25_bind() (bsc#1178590).
   - net/x25: prevent a couple of overflows (bsc#1178590).
   - tty: fix memleak in alloc_pid (bsc#1179745).
   - xfs: mark all internal workqueues as freezable (bsc#1181166).


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 11-SP4-LTSS:

      zypper in -t patch slessp4-kernel-source-14630=1

   - SUSE Linux Enterprise Server 11-EXTRA:

      zypper in -t patch slexsp3-kernel-source-14630=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-kernel-source-14630=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      kernel-default-3.0.101-108.120.1
      kernel-default-base-3.0.101-108.120.1
      kernel-default-devel-3.0.101-108.120.1
      kernel-source-3.0.101-108.120.1
      kernel-syms-3.0.101-108.120.1
      kernel-trace-3.0.101-108.120.1
      kernel-trace-base-3.0.101-108.120.1
      kernel-trace-devel-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):

      kernel-ec2-3.0.101-108.120.1
      kernel-ec2-base-3.0.101-108.120.1
      kernel-ec2-devel-3.0.101-108.120.1
      kernel-xen-3.0.101-108.120.1
      kernel-xen-base-3.0.101-108.120.1
      kernel-xen-devel-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (ppc64):

      kernel-bigmem-3.0.101-108.120.1
      kernel-bigmem-base-3.0.101-108.120.1
      kernel-bigmem-devel-3.0.101-108.120.1
      kernel-ppc64-3.0.101-108.120.1
      kernel-ppc64-base-3.0.101-108.120.1
      kernel-ppc64-devel-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (s390x):

      kernel-default-man-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586):

      kernel-pae-3.0.101-108.120.1
      kernel-pae-base-3.0.101-108.120.1
      kernel-pae-devel-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586 ia64 ppc64 s390x x86_64):

      kernel-default-extra-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586 x86_64):

      kernel-xen-extra-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-EXTRA (x86_64):

      kernel-trace-extra-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-EXTRA (ppc64):

      kernel-ppc64-extra-3.0.101-108.120.1

   - SUSE Linux Enterprise Server 11-EXTRA (i586):

      kernel-pae-extra-3.0.101-108.120.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      kernel-default-debuginfo-3.0.101-108.120.1
      kernel-default-debugsource-3.0.101-108.120.1
      kernel-trace-debuginfo-3.0.101-108.120.1
      kernel-trace-debugsource-3.0.101-108.120.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 s390x x86_64):

      kernel-default-devel-debuginfo-3.0.101-108.120.1
      kernel-trace-devel-debuginfo-3.0.101-108.120.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

      kernel-ec2-debuginfo-3.0.101-108.120.1
      kernel-ec2-debugsource-3.0.101-108.120.1
      kernel-xen-debuginfo-3.0.101-108.120.1
      kernel-xen-debugsource-3.0.101-108.120.1
      kernel-xen-devel-debuginfo-3.0.101-108.120.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (ppc64):

      kernel-bigmem-debuginfo-3.0.101-108.120.1
      kernel-bigmem-debugsource-3.0.101-108.120.1
      kernel-ppc64-debuginfo-3.0.101-108.120.1
      kernel-ppc64-debugsource-3.0.101-108.120.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586):

      kernel-pae-debuginfo-3.0.101-108.120.1
      kernel-pae-debugsource-3.0.101-108.120.1
      kernel-pae-devel-debuginfo-3.0.101-108.120.1


References:

   https://www.suse.com/security/cve/CVE-2019-16746.html
   https://www.suse.com/security/cve/CVE-2020-0404.html
   https://www.suse.com/security/cve/CVE-2020-0431.html
   https://www.suse.com/security/cve/CVE-2020-0465.html
   https://www.suse.com/security/cve/CVE-2020-11668.html
   https://www.suse.com/security/cve/CVE-2020-14331.html
   https://www.suse.com/security/cve/CVE-2020-14353.html
   https://www.suse.com/security/cve/CVE-2020-14381.html
   https://www.suse.com/security/cve/CVE-2020-14390.html
   https://www.suse.com/security/cve/CVE-2020-15436.html
   https://www.suse.com/security/cve/CVE-2020-15437.html
   https://www.suse.com/security/cve/CVE-2020-25211.html
   https://www.suse.com/security/cve/CVE-2020-25284.html
   https://www.suse.com/security/cve/CVE-2020-25285.html
   https://www.suse.com/security/cve/CVE-2020-25643.html
   https://www.suse.com/security/cve/CVE-2020-25656.html
   https://www.suse.com/security/cve/CVE-2020-25668.html
   https://www.suse.com/security/cve/CVE-2020-25669.html
   https://www.suse.com/security/cve/CVE-2020-27068.html
   https://www.suse.com/security/cve/CVE-2020-27777.html
   https://www.suse.com/security/cve/CVE-2020-27786.html
   https://www.suse.com/security/cve/CVE-2020-28915.html
   https://www.suse.com/security/cve/CVE-2020-28974.html
   https://www.suse.com/security/cve/CVE-2020-29660.html
   https://www.suse.com/security/cve/CVE-2020-29661.html
   https://www.suse.com/security/cve/CVE-2020-36158.html
   https://www.suse.com/security/cve/CVE-2020-4788.html
   https://www.suse.com/security/cve/CVE-2021-3347.html
   https://bugzilla.suse.com/1152107
   https://bugzilla.suse.com/1168952
   https://bugzilla.suse.com/1173659
   https://bugzilla.suse.com/1173942
   https://bugzilla.suse.com/1174205
   https://bugzilla.suse.com/1174247
   https://bugzilla.suse.com/1174993
   https://bugzilla.suse.com/1175691
   https://bugzilla.suse.com/1176011
   https://bugzilla.suse.com/1176012
   https://bugzilla.suse.com/1176235
   https://bugzilla.suse.com/1176253
   https://bugzilla.suse.com/1176278
   https://bugzilla.suse.com/1176395
   https://bugzilla.suse.com/1176423
   https://bugzilla.suse.com/1176482
   https://bugzilla.suse.com/1176485
   https://bugzilla.suse.com/1176722
   https://bugzilla.suse.com/1176896
   https://bugzilla.suse.com/1177206
   https://bugzilla.suse.com/1177226
   https://bugzilla.suse.com/1177666
   https://bugzilla.suse.com/1177766
   https://bugzilla.suse.com/1177906
   https://bugzilla.suse.com/1178123
   https://bugzilla.suse.com/1178182
   https://bugzilla.suse.com/1178589
   https://bugzilla.suse.com/1178590
   https://bugzilla.suse.com/1178622
   https://bugzilla.suse.com/1178886
   https://bugzilla.suse.com/1179107
   https://bugzilla.suse.com/1179140
   https://bugzilla.suse.com/1179141
   https://bugzilla.suse.com/1179419
   https://bugzilla.suse.com/1179601
   https://bugzilla.suse.com/1179616
   https://bugzilla.suse.com/1179745
   https://bugzilla.suse.com/1179877
   https://bugzilla.suse.com/1180029
   https://bugzilla.suse.com/1180030
   https://bugzilla.suse.com/1180052
   https://bugzilla.suse.com/1180086
   https://bugzilla.suse.com/1180559
   https://bugzilla.suse.com/1180562
   https://bugzilla.suse.com/1181158
   https://bugzilla.suse.com/1181166
   https://bugzilla.suse.com/1181349
   https://bugzilla.suse.com/1181553



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