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Red Hat Security Advisory 2020-1769-01

Red Hat Security Advisory 2020-1769-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1769-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
SHA-256 | b3605c32b8f528963f869695ca9be893e0dcb7b2fe7d7839472a42d2bf6c36f0

Red Hat Security Advisory 2020-1769-01

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

Synopsis: Important: kernel security, bug fix, and enhancement update
Advisory ID: RHSA-2020:1769-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1769
Issue date: 2020-04-28
CVE Names: CVE-2018-16871 CVE-2019-8980 CVE-2019-10639
CVE-2019-15090 CVE-2019-15099 CVE-2019-15221
CVE-2019-17053 CVE-2019-17055 CVE-2019-18805
CVE-2019-19057 CVE-2019-19073 CVE-2019-19074
CVE-2019-19534 CVE-2019-19768 CVE-2019-19922
CVE-2020-1749
====================================================================
1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 8.

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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

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

Security Fix(es):

* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
(CVE-2019-19768)

* kernel: nfs: NULL pointer dereference due to an anomalized NFS message
sequence (CVE-2018-16871)

* kernel: memory leak in the kernel_read_file function in fs/exec.c allows
to cause a denial of service (CVE-2019-8980)

* kernel: unprivileged users able to create RAW sockets in AF_IEEE802154
network protocol. (CVE-2019-17053)

* kernel: unprivileged users able to create RAW sockets in AF_ISDN network
protocol. (CVE-2019-17055)

* kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c
(CVE-2019-18805)

* kernel: information leak bug caused by a malicious USB device in the
drivers/net/can/usb/peak_usb/pcan_usb_core.c driver (CVE-2019-19534)

* kernel: some ipv6 protocols not encrypted over ipsec tunnel.
(CVE-2020-1749)

* Kernel: net: using kernel space address bits to derive IP ID may
potentially break KASLR (CVE-2019-10639)

* kernel: An out-of-bounds read in drivers/scsi/qedi/qedi_dbg.c leading to
crash or information disclosure (CVE-2019-15090)

* kernel: a NULL pointer dereference in
drivers/net/wireless/ath/ath10k/usb.c leads to a crash (CVE-2019-15099)

* kernel: Null pointer dereference in the sound/usb/line6/pcm.c
(CVE-2019-15221)

* kernel: Two memory leaks in the mwifiex_pcie_init_evt_ring() function in
drivers/net/wireless/marvell/mwifiex/pcie.c allows for a DoS
(CVE-2019-19057)

* kernel: Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c in the
Linux kernel (DOS) (CVE-2019-19073)

* kernel: a memory leak in the ath9k management function in allows local
DoS (CVE-2019-19074)

* kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial
of service against non-cpu-bound applications (CVE-2019-19922)

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.

Additional Changes:

This update also fixes several bugs and adds various enhancements.
Documentation for these changes is available from the Release Notes
document linked to in the References section.

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/):

1655162 - CVE-2018-16871 kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence
1679972 - CVE-2019-8980 kernel: memory leak in the kernel_read_file function in fs/exec.c allows to cause a denial of service
1729933 - CVE-2019-10639 Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR
1738741 - L2 guest hit kernel panic when do L1->L1 live migration on PML-enabled intel host
1743526 - CVE-2019-15090 kernel: An out-of-bounds read in drivers/scsi/qedi/qedi_dbg.c leading to crash or information disclosure
1743560 - CVE-2019-15099 kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash
1749633 - kernel: brk can grow the heap into the area reserved for the stack
1749974 - CVE-2019-15221 kernel: Null pointer dereference in the sound/usb/line6/pcm.c
1752765 - conntrack tool delete entry with CIDR crash
1757902 - fix compat statfs64() returning EOVERFLOW for when _FILE_OFFSET_BITSd
1758242 - CVE-2019-17053 kernel: unprivileged users able to create RAW sockets in AF_IEEE802154 network protocol.
1758248 - CVE-2019-17055 kernel: unprivileged users able to create RAW sockets in AF_ISDN network protocol.
1765547 - Fallocate on XFS may discard concurrent AIO write
1767664 - Backport CIFS stale ESTALE handling and dentry revalidation patches
1771430 - svcrdma: Increase the default connection credit limit
1771496 - CVE-2019-18805 kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c
1771691 - Process killed while opening a file can result in leaked open handle on the server
1774933 - CVE-2019-19074 kernel: a memory leak in the ath9k management function in allows local DoS
1774937 - CVE-2019-19073 kernel: Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c in the Linux kernel (DOS)
1775050 - CVE-2019-19057 kernel: Two memory leaks in the mwifiex_pcie_init_evt_ring() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows for a DoS
1783540 - CVE-2019-19534 kernel: information leak bug caused by a malicious USB device in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver
1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c
1789594 - kernel: Wrong FE0/FE1 MSR restore in signal handlers on ppc64le
1792512 - CVE-2019-19922 kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial of service against non-cpu-bound applications
1795049 - RHEL8: Latency issue on Kubernetes / k8s / OpenShift
1803162 - [NFS] Dataloss with copy_file_range on NFS-mounted files that is not 4K aligned on RHEL 8.
1809833 - CVE-2020-1749 kernel: some ipv6 protocols not encrypted over ipsec tunnel.

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-193.el8.src.rpm

aarch64:
bpftool-4.18.0-193.el8.aarch64.rpm
bpftool-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-4.18.0-193.el8.aarch64.rpm
kernel-core-4.18.0-193.el8.aarch64.rpm
kernel-cross-headers-4.18.0-193.el8.aarch64.rpm
kernel-debug-4.18.0-193.el8.aarch64.rpm
kernel-debug-core-4.18.0-193.el8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-debug-devel-4.18.0-193.el8.aarch64.rpm
kernel-debug-modules-4.18.0-193.el8.aarch64.rpm
kernel-debug-modules-extra-4.18.0-193.el8.aarch64.rpm
kernel-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.el8.aarch64.rpm
kernel-devel-4.18.0-193.el8.aarch64.rpm
kernel-headers-4.18.0-193.el8.aarch64.rpm
kernel-modules-4.18.0-193.el8.aarch64.rpm
kernel-modules-extra-4.18.0-193.el8.aarch64.rpm
kernel-tools-4.18.0-193.el8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-tools-libs-4.18.0-193.el8.aarch64.rpm
perf-4.18.0-193.el8.aarch64.rpm
perf-debuginfo-4.18.0-193.el8.aarch64.rpm
python3-perf-4.18.0-193.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.el8.aarch64.rpm

noarch:
kernel-abi-whitelists-4.18.0-193.el8.noarch.rpm
kernel-doc-4.18.0-193.el8.noarch.rpm

ppc64le:
bpftool-4.18.0-193.el8.ppc64le.rpm
bpftool-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-4.18.0-193.el8.ppc64le.rpm
kernel-core-4.18.0-193.el8.ppc64le.rpm
kernel-cross-headers-4.18.0-193.el8.ppc64le.rpm
kernel-debug-4.18.0-193.el8.ppc64le.rpm
kernel-debug-core-4.18.0-193.el8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-debug-devel-4.18.0-193.el8.ppc64le.rpm
kernel-debug-modules-4.18.0-193.el8.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-193.el8.ppc64le.rpm
kernel-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.el8.ppc64le.rpm
kernel-devel-4.18.0-193.el8.ppc64le.rpm
kernel-headers-4.18.0-193.el8.ppc64le.rpm
kernel-modules-4.18.0-193.el8.ppc64le.rpm
kernel-modules-extra-4.18.0-193.el8.ppc64le.rpm
kernel-tools-4.18.0-193.el8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-tools-libs-4.18.0-193.el8.ppc64le.rpm
perf-4.18.0-193.el8.ppc64le.rpm
perf-debuginfo-4.18.0-193.el8.ppc64le.rpm
python3-perf-4.18.0-193.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.el8.ppc64le.rpm

s390x:
bpftool-4.18.0-193.el8.s390x.rpm
bpftool-debuginfo-4.18.0-193.el8.s390x.rpm
kernel-4.18.0-193.el8.s390x.rpm
kernel-core-4.18.0-193.el8.s390x.rpm
kernel-cross-headers-4.18.0-193.el8.s390x.rpm
kernel-debug-4.18.0-193.el8.s390x.rpm
kernel-debug-core-4.18.0-193.el8.s390x.rpm
kernel-debug-debuginfo-4.18.0-193.el8.s390x.rpm
kernel-debug-devel-4.18.0-193.el8.s390x.rpm
kernel-debug-modules-4.18.0-193.el8.s390x.rpm
kernel-debug-modules-extra-4.18.0-193.el8.s390x.rpm
kernel-debuginfo-4.18.0-193.el8.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-193.el8.s390x.rpm
kernel-devel-4.18.0-193.el8.s390x.rpm
kernel-headers-4.18.0-193.el8.s390x.rpm
kernel-modules-4.18.0-193.el8.s390x.rpm
kernel-modules-extra-4.18.0-193.el8.s390x.rpm
kernel-tools-4.18.0-193.el8.s390x.rpm
kernel-tools-debuginfo-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-core-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-devel-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-modules-4.18.0-193.el8.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-193.el8.s390x.rpm
perf-4.18.0-193.el8.s390x.rpm
perf-debuginfo-4.18.0-193.el8.s390x.rpm
python3-perf-4.18.0-193.el8.s390x.rpm
python3-perf-debuginfo-4.18.0-193.el8.s390x.rpm

x86_64:
bpftool-4.18.0-193.el8.x86_64.rpm
bpftool-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-4.18.0-193.el8.x86_64.rpm
kernel-core-4.18.0-193.el8.x86_64.rpm
kernel-cross-headers-4.18.0-193.el8.x86_64.rpm
kernel-debug-4.18.0-193.el8.x86_64.rpm
kernel-debug-core-4.18.0-193.el8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-debug-devel-4.18.0-193.el8.x86_64.rpm
kernel-debug-modules-4.18.0-193.el8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-193.el8.x86_64.rpm
kernel-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.el8.x86_64.rpm
kernel-devel-4.18.0-193.el8.x86_64.rpm
kernel-headers-4.18.0-193.el8.x86_64.rpm
kernel-modules-4.18.0-193.el8.x86_64.rpm
kernel-modules-extra-4.18.0-193.el8.x86_64.rpm
kernel-tools-4.18.0-193.el8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-tools-libs-4.18.0-193.el8.x86_64.rpm
perf-4.18.0-193.el8.x86_64.rpm
perf-debuginfo-4.18.0-193.el8.x86_64.rpm
python3-perf-4.18.0-193.el8.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.el8.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-193.el8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-193.el8.aarch64.rpm
kernel-tools-libs-devel-4.18.0-193.el8.aarch64.rpm
perf-debuginfo-4.18.0-193.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-193.el8.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-193.el8.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-193.el8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-193.el8.ppc64le.rpm
perf-debuginfo-4.18.0-193.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-193.el8.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-debug-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-193.el8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-193.el8.x86_64.rpm
kernel-tools-libs-devel-4.18.0-193.el8.x86_64.rpm
perf-debuginfo-4.18.0-193.el8.x86_64.rpm
python3-perf-debuginfo-4.18.0-193.el8.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-2018-16871
https://access.redhat.com/security/cve/CVE-2019-8980
https://access.redhat.com/security/cve/CVE-2019-10639
https://access.redhat.com/security/cve/CVE-2019-15090
https://access.redhat.com/security/cve/CVE-2019-15099
https://access.redhat.com/security/cve/CVE-2019-15221
https://access.redhat.com/security/cve/CVE-2019-17053
https://access.redhat.com/security/cve/CVE-2019-17055
https://access.redhat.com/security/cve/CVE-2019-18805
https://access.redhat.com/security/cve/CVE-2019-19057
https://access.redhat.com/security/cve/CVE-2019-19073
https://access.redhat.com/security/cve/CVE-2019-19074
https://access.redhat.com/security/cve/CVE-2019-19534
https://access.redhat.com/security/cve/CVE-2019-19768
https://access.redhat.com/security/cve/CVE-2019-19922
https://access.redhat.com/security/cve/CVE-2020-1749
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

8. Contact:

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

Copyright 2020 Red Hat, Inc.
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