SUSE alert SUSE-SU-2021:0437-1 (kernel)
| From: | sle-security-updates@lists.suse.com | |
| To: | sle-security-updates@lists.suse.com | |
| Subject: | SUSE-SU-2021:0437-1: important: Security update for the Linux Kernel | |
| Date: | Thu, 11 Feb 2021 21:19:08 +0100 | |
| Message-ID: | <20210211201908.28782FF1F@maintenance.suse.de> |
SUSE Security Update: Security update for the Linux Kernel ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:0437-1 Rating: important References: #1070943 #1121826 #1121872 #1157298 #1168952 #1173942 #1176395 #1176485 #1177411 #1178123 #1178182 #1178589 #1178622 #1178886 #1179107 #1179140 #1179141 #1179204 #1179419 #1179508 #1179509 #1179601 #1179616 #1179663 #1179666 #1179745 #1179877 #1179960 #1179961 #1180008 #1180027 #1180028 #1180029 #1180030 #1180031 #1180032 #1180052 #1180086 #1180559 #1180562 #1181349 #969755 Cross-References: CVE-2019-19063 CVE-2019-20934 CVE-2019-6133 CVE-2020-0444 CVE-2020-0465 CVE-2020-0466 CVE-2020-11668 CVE-2020-15436 CVE-2020-15437 CVE-2020-25211 CVE-2020-25285 CVE-2020-25668 CVE-2020-25669 CVE-2020-27068 CVE-2020-27673 CVE-2020-27777 CVE-2020-27786 CVE-2020-27825 CVE-2020-28915 CVE-2020-28974 CVE-2020-29568 CVE-2020-29569 CVE-2020-29660 CVE-2020-29661 CVE-2020-36158 CVE-2021-3347 CVSS scores: CVE-2019-19063 (NVD) : 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-19063 (SUSE): 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2019-20934 (NVD) : 5.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H CVE-2019-20934 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2019-6133 (NVD) : 6.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CVE-2019-6133 (SUSE): 6.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CVE-2020-0444 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-0444 (SUSE): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/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-2020-0466 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-0466 (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-2020-15436 (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-2020-25285 (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-2020-25668 (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-2020-27673 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2020-27673 (SUSE): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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-2020-27825 (NVD) : 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H CVE-2020-27825 (SUSE): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/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-2020-29568 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29568 (SUSE): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2020-29569 (NVD) : 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2020-29569 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H 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-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 OpenStack Cloud 7 SUSE Linux Enterprise Server for SAP 12-SP2 SUSE Linux Enterprise Server 12-SP2-LTSS SUSE Linux Enterprise Server 12-SP2-BCL SUSE Linux Enterprise High Availability 12-SP2 ______________________________________________________________________________ An update that solves 26 vulnerabilities and has 16 fixes is now available. Description: The SUSE Linux Enterprise 12 SP2 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-2020-29569: Fixed a potential privilege escalation and information leaks related to the PV block backend, as used by Xen (bnc#1179509). - CVE-2020-29568: Fixed a denial of service issue, related to processing watch events (bnc#1179508). - 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-2020-0444: Fixed a bad kfree due to a logic error in audit_data_to_entry (bnc#1180027). - CVE-2020-0465: Fixed multiple missing bounds checks in hid-multitouch.c that could have led to local privilege escalation (bnc#1180029). - CVE-2020-0466: Fixed a use-after-free due to a logic error in do_epoll_ctl and ep_loop_check_proc of eventpoll.c (bnc#1180031). - 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-2020-27068: 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-2020-27825: Fixed a race in the trace_open and buffer resize calls (bsc#1179960). - 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-2020-27673: Fixed an issue where rogue guests could have caused denial of service of Dom0 via high frequency events (XSA-332 bsc#1177411) - CVE-2019-20934: Fixed a use-after-free in show_numa_stats() because NUMA fault statistics were inappropriately freed (bsc#1179663). - CVE-2019-19063: Fixed two memory leaks in the rtl_usb_probe() which could eventually have allowed attackers to cause a denial of service (memory consumption) (bnc#1157298 ). - CVE-2019-6133: Fixed an issue where the "start time" protection mechanism could have been bypassed and therefore authorization decisions are improperly cached (bsc#1128172). The following non-security bugs were fixed: - HID: Fix slab-out-of-bounds read in hid_field_extract (bsc#1180052). - epoll: Keep a reference on files added to the check list (bsc#1180031). - fix regression in "epoll: Keep a reference on files added to the check list" (bsc#1180031, git-fixes). - futex,rt_mutex: Fix rt_mutex_cleanup_proxy_lock() (bsc#969755). - futex,rt_mutex: Introduce rt_mutex_init_waiter() (bsc#969755). - futex,rt_mutex: Provide futex specific rt_mutex API (bsc#969755). - futex,rt_mutex: Restructure rt_mutex_finish_proxy_lock() (bsc#969755). - futex: Avoid freeing an active timer (bsc#969755). - futex: Avoid violating the 10th rule of futex (bsc#969755). - futex: Change locking rules (bsc#969755). - futex: Do not enable IRQs unconditionally in put_pi_state() (bsc#969755). - futex: Drop hb->lock before enqueueing on the rtmutex (bsc#969755). - futex: Fix OWNER_DEAD fixup (bsc#969755). - futex: Fix incorrect should_fail_futex() handling (bsc#969755). - futex: Fix more put_pi_state() vs. exit_pi_state_list() races (bsc#969755). - futex: Fix pi_state->owner serialization (bsc#969755). - futex: Fix small (and harmless looking) inconsistencies (bsc#969755). - futex: Futex_unlock_pi() determinism (bsc#969755). - futex: Handle early deadlock return correctly (bsc#969755). - futex: Handle transient "ownerless" rtmutex state correctly (bsc#969755). - futex: Pull rt_mutex_futex_unlock() out from under hb->lock (bsc#969755). - futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock() (bsc#969755). - futex: Rework inconsistent rt_mutex/futex_q state (bsc#969755). - locking/futex: Allow low-level atomic operations to return -EAGAIN (bsc#969755). - mm/userfaultfd: do not access vma->vm_mm after calling handle_userfault() (bsc#1179204). 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 OpenStack Cloud 7: zypper in -t patch SUSE-OpenStack-Cloud-7-2021-437=1 - SUSE Linux Enterprise Server for SAP 12-SP2: zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-437=1 - SUSE Linux Enterprise Server 12-SP2-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP2-2021-437=1 - SUSE Linux Enterprise Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-437=1 - SUSE Linux Enterprise High Availability 12-SP2: zypper in -t patch SUSE-SLE-HA-12-SP2-2021-437=1 Package List: - SUSE OpenStack Cloud 7 (s390x x86_64): kernel-default-4.4.121-92.149.1 kernel-default-base-4.4.121-92.149.1 kernel-default-base-debuginfo-4.4.121-92.149.1 kernel-default-debuginfo-4.4.121-92.149.1 kernel-default-debugsource-4.4.121-92.149.1 kernel-default-devel-4.4.121-92.149.1 kernel-syms-4.4.121-92.149.1 - SUSE OpenStack Cloud 7 (noarch): kernel-devel-4.4.121-92.149.1 kernel-macros-4.4.121-92.149.1 kernel-source-4.4.121-92.149.1 - SUSE OpenStack Cloud 7 (x86_64): kgraft-patch-4_4_121-92_149-default-1-3.3.1 - SUSE OpenStack Cloud 7 (s390x): kernel-default-man-4.4.121-92.149.1 - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64): kernel-default-4.4.121-92.149.1 kernel-default-base-4.4.121-92.149.1 kernel-default-base-debuginfo-4.4.121-92.149.1 kernel-default-debuginfo-4.4.121-92.149.1 kernel-default-debugsource-4.4.121-92.149.1 kernel-default-devel-4.4.121-92.149.1 kernel-syms-4.4.121-92.149.1 kgraft-patch-4_4_121-92_149-default-1-3.3.1 - SUSE Linux Enterprise Server for SAP 12-SP2 (noarch): kernel-devel-4.4.121-92.149.1 kernel-macros-4.4.121-92.149.1 kernel-source-4.4.121-92.149.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64): kernel-default-4.4.121-92.149.1 kernel-default-base-4.4.121-92.149.1 kernel-default-base-debuginfo-4.4.121-92.149.1 kernel-default-debuginfo-4.4.121-92.149.1 kernel-default-debugsource-4.4.121-92.149.1 kernel-default-devel-4.4.121-92.149.1 kernel-syms-4.4.121-92.149.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le x86_64): kgraft-patch-4_4_121-92_149-default-1-3.3.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (noarch): kernel-devel-4.4.121-92.149.1 kernel-macros-4.4.121-92.149.1 kernel-source-4.4.121-92.149.1 - SUSE Linux Enterprise Server 12-SP2-LTSS (s390x): kernel-default-man-4.4.121-92.149.1 - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): kernel-default-4.4.121-92.149.1 kernel-default-base-4.4.121-92.149.1 kernel-default-base-debuginfo-4.4.121-92.149.1 kernel-default-debuginfo-4.4.121-92.149.1 kernel-default-debugsource-4.4.121-92.149.1 kernel-default-devel-4.4.121-92.149.1 kernel-syms-4.4.121-92.149.1 - SUSE Linux Enterprise Server 12-SP2-BCL (noarch): kernel-devel-4.4.121-92.149.1 kernel-macros-4.4.121-92.149.1 kernel-source-4.4.121-92.149.1 - SUSE Linux Enterprise High Availability 12-SP2 (ppc64le s390x x86_64): cluster-md-kmp-default-4.4.121-92.149.1 cluster-md-kmp-default-debuginfo-4.4.121-92.149.1 cluster-network-kmp-default-4.4.121-92.149.1 cluster-network-kmp-default-debuginfo-4.4.121-92.149.1 dlm-kmp-default-4.4.121-92.149.1 dlm-kmp-default-debuginfo-4.4.121-92.149.1 gfs2-kmp-default-4.4.121-92.149.1 gfs2-kmp-default-debuginfo-4.4.121-92.149.1 kernel-default-debuginfo-4.4.121-92.149.1 kernel-default-debugsource-4.4.121-92.149.1 ocfs2-kmp-default-4.4.121-92.149.1 ocfs2-kmp-default-debuginfo-4.4.121-92.149.1 References: https://www.suse.com/security/cve/CVE-2019-19063.html https://www.suse.com/security/cve/CVE-2019-20934.html https://www.suse.com/security/cve/CVE-2019-6133.html https://www.suse.com/security/cve/CVE-2020-0444.html https://www.suse.com/security/cve/CVE-2020-0465.html https://www.suse.com/security/cve/CVE-2020-0466.html https://www.suse.com/security/cve/CVE-2020-11668.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-2020-25285.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-2020-27673.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-2020-27825.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-2020-29568.html https://www.suse.com/security/cve/CVE-2020-29569.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-2021-3347.html https://bugzilla.suse.com/1070943 https://bugzilla.suse.com/1121826 https://bugzilla.suse.com/1121872 https://bugzilla.suse.com/1157298 https://bugzilla.suse.com/1168952 https://bugzilla.suse.com/1173942 https://bugzilla.suse.com/1176395 https://bugzilla.suse.com/1176485 https://bugzilla.suse.com/1177411 https://bugzilla.suse.com/1178123 https://bugzilla.suse.com/1178182 https://bugzilla.suse.com/1178589 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/1179204 https://bugzilla.suse.com/1179419 https://bugzilla.suse.com/1179508 https://bugzilla.suse.com/1179509 https://bugzilla.suse.com/1179601 https://bugzilla.suse.com/1179616 https://bugzilla.suse.com/1179663 https://bugzilla.suse.com/1179666 https://bugzilla.suse.com/1179745 https://bugzilla.suse.com/1179877 https://bugzilla.suse.com/1179960 https://bugzilla.suse.com/1179961 https://bugzilla.suse.com/1180008 https://bugzilla.suse.com/1180027 https://bugzilla.suse.com/1180028 https://bugzilla.suse.com/1180029 https://bugzilla.suse.com/1180030 https://bugzilla.suse.com/1180031 https://bugzilla.suse.com/1180032 https://bugzilla.suse.com/1180052 https://bugzilla.suse.com/1180086 https://bugzilla.suse.com/1180559 https://bugzilla.suse.com/1180562 https://bugzilla.suse.com/1181349 https://bugzilla.suse.com/969755