RHSA-2021:0856-01: Important: kernel security and bug fix update

Red Hat 9062 Published by

A kernel security and bug fix update has been released for Red Hat Enterprise Linux 7.



RHSA-2021:0856-01: Important: kernel security and bug fix update



=====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel security and bug fix update
Advisory ID: RHSA-2021:0856-01
Product: Red Hat Enterprise Linux
Advisory URL:   https://access.redhat.com/errata/RHSA-2021:0856
Issue date: 2021-03-16
CVE Names: CVE-2019-19532 CVE-2020-0427 CVE-2020-7053
CVE-2020-14351 CVE-2020-25211 CVE-2020-25645
CVE-2020-25656 CVE-2020-25705 CVE-2020-28374
CVE-2020-29661 CVE-2021-20265
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

Security Fix(es):

* kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in
net/netfilter/nf_conntrack_netlink.c (CVE-2020-25211)

* kernel: SCSI target (LIO) write to any block on ILO backstore
(CVE-2020-28374)

* kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an
use-after-free (CVE-2020-29661)

* kernel: malicious USB devices can lead to multiple out-of-bounds write
(CVE-2019-19532)

* kernel: out-of-bounds reads in pinctrl subsystem. (CVE-2020-0427)

* kernel: use-after-free in i915_ppgtt_close in
drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)

* kernel: performance counters race condition use-after-free
(CVE-2020-14351)

* kernel: Geneve/IPsec traffic may be unencrypted between two Geneve
endpoints (CVE-2020-25645)

* kernel: use-after-free in read in vt_do_kdgkb_ioctl (CVE-2020-25656)

* kernel: ICMP rate limiting can be used for DNS poisoning attack
(CVE-2020-25705)

* kernel: increase slab leak leads to DoS (CVE-2021-20265)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Bug Fix(es):

* BUG: scheduling while atomic: memory allocation under spinlock in
scsi_register_device_handler() (BZ#1619147)

* WARNING in __iscsit_free_cmd during recovery Abort (BZ#1784540)

* lpfc does not issue adisc to fcp-2 devices, does not respond to nvme
targer that send an adisc. (BZ#1875961)

* Panic in semctl_nolock.constprop.15+0x25b (BZ#1877264)

* [RHEL 7.7][md]Crash due to invalid pool workqueue pointer, work queue
race (BZ#1889372)

* Guest crash on intel CPU with -cpu host,-spec-ctrl,+ibpb (BZ#1890669)

* RHEL7.9 - kernel/uv: handle length extension properly (BZ#1899172)

* Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link
up for a VF who hasn't enabled queues' introducing issues with VM using
DPDK (BZ#1901064)

* writing to /sys/devices/(...)/net/eno49/queues/tx-16/xps_cpus triggers
kernel panic (BZ#1903819)

* [Hyper-V][RHEL-7.9]video: hyperv_fb: Fix the cache type when mapping the
VRAM Edit (BZ#1908896)

* kvm-rhel7.9 [AMD] - system crash observed while powering on virtual
machine with attached VF interfaces. (BZ#1909036)

* kernel: nvme nvme7: Connect command failed, error wo/DNR bit: 2
(BZ#1910817)

* dm-mirror crashes from assuming underlying storage will have a non-NULL
merge_bvec_fn (BZ#1916407)

* watchdog: use nmi registers snapshot in hardlockup handler (BZ#1916589)

* [DELL EMC 7.9 BUG] - Intel E810 NIC interfaces are not functional in RHEL
7.9 on system with AMD Rome CPUs (BZ#1918273)

* [DELL EMC BUG] RHEL system log shows AMD-Vi error when system connected
with Gen 4 NVMe drives. (BZ#1921187)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

  https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (  https://bugzilla.redhat.com/):

1781821 - CVE-2019-19532 kernel: malicious USB devices can lead to multiple out-of-bounds write
1795624 - CVE-2020-7053 kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c
1862849 - CVE-2020-14351 kernel: performance counters race condition use-after-free
1877571 - CVE-2020-25211 kernel: Local buffer overflow in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c
1883988 - CVE-2020-25645 kernel: Geneve/IPsec traffic may be unencrypted between two Geneve endpoints
1888726 - CVE-2020-25656 kernel: use-after-free in read in vt_do_kdgkb_ioctl
1894579 - CVE-2020-25705 kernel: ICMP rate limiting can be used for DNS poisoning attack
1899804 - CVE-2020-28374 kernel: SCSI target (LIO) write to any block on ILO backstore
1901064 - Commit b144f013fc16a06d7a4b9a4be668a3583fafeda2 'i40e: don't report link up for a VF who hasn't enabled queues' introducing issues with VM using DPDK
1906525 - CVE-2020-29661 kernel: locking issue in drivers/tty/tty_jobctrl.c can lead to an use-after-free
1908827 - CVE-2021-20265 kernel: increase slab leak leads to DoS
1916589 - watchdog: use nmi registers snapshot in hardlockup handler
1919893 - CVE-2020-0427 kernel: out-of-bounds reads in pinctrl subsystem.

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
kernel-3.10.0-1160.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
kernel-3.10.0-1160.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
kernel-3.10.0-1160.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm

ppc64:
bpftool-3.10.0-1160.21.1.el7.ppc64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-devel-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-headers-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.ppc64.rpm
perf-3.10.0-1160.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm

ppc64le:
bpftool-3.10.0-1160.21.1.el7.ppc64le.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-headers-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm

s390x:
bpftool-3.10.0-1160.21.1.el7.s390x.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-1160.21.1.el7.s390x.rpm
kernel-devel-3.10.0-1160.21.1.el7.s390x.rpm
kernel-headers-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
kernel-kdump-devel-3.10.0-1160.21.1.el7.s390x.rpm
perf-3.10.0-1160.21.1.el7.s390x.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm
python-perf-3.10.0-1160.21.1.el7.s390x.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.s390x.rpm

x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

ppc64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.ppc64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64.rpm

ppc64le:
bpftool-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.ppc64le.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.ppc64le.rpm

x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
kernel-3.10.0-1160.21.1.el7.src.rpm

noarch:
kernel-abi-whitelists-3.10.0-1160.21.1.el7.noarch.rpm
kernel-doc-3.10.0-1160.21.1.el7.noarch.rpm

x86_64:
bpftool-3.10.0-1160.21.1.el7.x86_64.rpm
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-devel-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-headers-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-3.10.0-1160.21.1.el7.x86_64.rpm
perf-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
bpftool-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-1160.21.1.el7.x86_64.rpm
perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-1160.21.1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
  https://access.redhat.com/security/team/key/

7. References:

  https://access.redhat.com/security/cve/CVE-2019-19532
  https://access.redhat.com/security/cve/CVE-2020-0427
  https://access.redhat.com/security/cve/CVE-2020-7053
  https://access.redhat.com/security/cve/CVE-2020-14351
  https://access.redhat.com/security/cve/CVE-2020-25211
  https://access.redhat.com/security/cve/CVE-2020-25645
  https://access.redhat.com/security/cve/CVE-2020-25656
  https://access.redhat.com/security/cve/CVE-2020-25705
  https://access.redhat.com/security/cve/CVE-2020-28374
  https://access.redhat.com/security/cve/CVE-2020-29661
  https://access.redhat.com/security/cve/CVE-2021-20265
  https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at   https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.

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