Issued:: 2022-05-10
Updated:: 2022-05-10

RHSA-2022:1988 - Important: kernel security, bug fix, and enhancement update

Synopsis

Important: kernel security, bug fix, and enhancement update

Type/Severity

Security Advisory Important

Topic

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.

Description

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

Security Fix(es):

kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083)
kernel: avoid cyclic entity chains due to malformed USB descriptors (CVE-2020-0404)
kernel: speculation on incompletely validated data on IBM Power9 (CVE-2020-4788)
kernel: integer overflow in k_ascii() in drivers/tty/vt/keyboard.c (CVE-2020-13974)
kernel: out-of-bounds read in bpf_skb_change_head() of filter.c due to a use-after-free (CVE-2021-0941)
kernel: joydev: zero size passed to joydev_handle_JSIOCSBTNMAP() (CVE-2021-3612)
kernel: reading /proc/sysvipc/shm does not scale with large shared memory segment counts (CVE-2021-3669)
kernel: out-of-bound Read in qrtr_endpoint_post in net/qrtr/qrtr.c (CVE-2021-3743)
kernel: crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd() (CVE-2021-3744)
kernel: possible use-after-free in bluetooth module (CVE-2021-3752)
kernel: unaccounted ipc objects in Linux kernel lead to breaking memcg limits and DoS attacks (CVE-2021-3759)
kernel: DoS in ccp_run_aes_gcm_cmd() function (CVE-2021-3764)
kernel: sctp: Invalid chunks may be used to remotely remove existing associations (CVE-2021-3772)
kernel: lack of port sanity checking in natd and netfilter leads to exploit of OpenVPN clients (CVE-2021-3773)
kernel: possible leak or coruption of data residing on hugetlbfs (CVE-2021-4002)
kernel: security regression for CVE-2018-13405 (CVE-2021-4037)
kernel: Buffer overwrite in decode_nfs_fh function (CVE-2021-4157)
kernel: cgroup: Use open-time creds and namespace for migration perm checks (CVE-2021-4197)
kernel: Race condition in races in sk_peer_pid and sk_peer_cred accesses (CVE-2021-4203)
kernel: new DNS Cache Poisoning Attack based on ICMP fragment needed packets replies (CVE-2021-20322)
kernel: arm: SIGPAGE information disclosure vulnerability (CVE-2021-21781)
hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)
kernel: Local privilege escalation due to incorrect BPF JIT branch displacement computation (CVE-2021-29154)
kernel: use-after-free in hso_free_net_device() in drivers/net/usb/hso.c (CVE-2021-37159)
kernel: eBPF multiplication integer overflow in prealloc_elems_and_freelist() in kernel/bpf/stackmap.c leads to out-of-bounds write (CVE-2021-41864)
kernel: Heap buffer overflow in firedtv driver (CVE-2021-42739)
kernel: ppc: kvm: allows a malicious KVM guest to crash the host (CVE-2021-43056)
kernel: an array-index-out-bounds in detach_capi_ctr in drivers/isdn/capi/kcapi.c (CVE-2021-43389)
kernel: mwifiex_usb_recv() in drivers/net/wireless/marvell/mwifiex/usb.c allows an attacker to cause DoS via crafted USB device (CVE-2021-43976)
kernel: use-after-free in the TEE subsystem (CVE-2021-44733)
kernel: information leak in the IPv6 implementation (CVE-2021-45485)
kernel: information leak in the IPv4 implementation (CVE-2021-45486)
hw: cpu: intel: Branch History Injection (BHI) (CVE-2022-0001)
hw: cpu: intel: Intra-Mode BTI (CVE-2022-0002)
kernel: Local denial of service in bond_ipsec_add_sa (CVE-2022-0286)
kernel: DoS in sctp_addto_chunk in net/sctp/sm_make_chunk.c (CVE-2022-0322)
kernel: FUSE allows UAF reads of write() buffers, allowing theft of (partial) /etc/shadow hashes (CVE-2022-1011)
kernel: use-after-free in nouveau kernel module (CVE-2020-27820)

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:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section.

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.

Affected Products

Product	Version	Arch
Red Hat Virtualization Host	4	x86_64
Red Hat Enterprise Linux for x86_64	8	x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions	8.8	x86_64
Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions	8.6	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support	8.8	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support	8.6	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension	8.8	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension	8.6	x86_64
Red Hat Enterprise Linux for x86_64 - Extended Life Cycle	8.10	x86_64
Red Hat Enterprise Linux for Power, little endian	8	ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support	8.8	ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Update Support	8.6	ppc64le
Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle	8.10	ppc64le
Red Hat Enterprise Linux for IBM z Systems	8	s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support	8.8	s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support	8.6	s390x
Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle	8.10	s390x
Red Hat Enterprise Linux for ARM 64	8	aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support	8.8	aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Update Support	8.6	aarch64
Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle	8.10	aarch64
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	8.8	ppc64le
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions	8.6	ppc64le
Red Hat Enterprise Linux Server - TUS	8.8	x86_64
Red Hat Enterprise Linux Server - TUS	8.6	x86_64
Red Hat Enterprise Linux Server - AUS	8.6	x86_64
Red Hat CodeReady Linux Builder for x86_64	8	x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support	8.8	x86_64
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support	8.6	x86_64
Red Hat CodeReady Linux Builder for Power, little endian	8	ppc64le
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support	8.8	ppc64le
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support	8.6	ppc64le
Red Hat CodeReady Linux Builder for ARM 64	8	aarch64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support	8.8	aarch64
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support	8.6	aarch64

Updated Packages

kernel-debug-4.18.0-372.9.1.el8.s390x.rpm
kernel-modules-4.18.0-372.9.1.el8.aarch64.rpm
kernel-4.18.0-372.9.1.el8.x86_64.rpm
python3-perf-4.18.0-372.9.1.el8.aarch64.rpm
kernel-debug-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-4.18.0-372.9.1.el8.aarch64.rpm
kernel-zfcpdump-core-4.18.0-372.9.1.el8.s390x.rpm
kernel-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-modules-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-372.9.1.el8.x86_64.rpm
python3-perf-4.18.0-372.9.1.el8.x86_64.rpm
kernel-tools-libs-4.18.0-372.9.1.el8.x86_64.rpm
kernel-core-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-headers-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-core-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-core-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debug-modules-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-zfcpdump-4.18.0-372.9.1.el8.s390x.rpm
kernel-modules-extra-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-cross-headers-4.18.0-372.9.1.el8.x86_64.rpm
bpftool-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-modules-extra-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-devel-4.18.0-372.9.1.el8.s390x.rpm
perf-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-tools-4.18.0-372.9.1.el8.x86_64.rpm
bpftool-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-devel-4.18.0-372.9.1.el8.s390x.rpm
perf-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
kernel-zfcpdump-modules-4.18.0-372.9.1.el8.s390x.rpm
kernel-tools-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-devel-4.18.0-372.9.1.el8.aarch64.rpm
kernel-modules-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-headers-4.18.0-372.9.1.el8.x86_64.rpm
perf-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-372.9.1.el8.x86_64.rpm
python3-perf-4.18.0-372.9.1.el8.s390x.rpm
perf-4.18.0-372.9.1.el8.x86_64.rpm
kernel-tools-4.18.0-372.9.1.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
kernel-debug-core-4.18.0-372.9.1.el8.aarch64.rpm
kernel-devel-4.18.0-372.9.1.el8.aarch64.rpm
bpftool-4.18.0-372.9.1.el8.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-372.9.1.el8.aarch64.rpm
kernel-headers-4.18.0-372.9.1.el8.aarch64.rpm
perf-4.18.0-372.9.1.el8.aarch64.rpm
kernel-debuginfo-common-ppc64le-4.18.0-372.9.1.el8.ppc64le.rpm
python3-perf-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-cross-headers-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-modules-extra-4.18.0-372.9.1.el8.s390x.rpm
kernel-tools-libs-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-core-4.18.0-372.9.1.el8.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-tools-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-tools-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
python3-perf-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-4.18.0-372.9.1.el8.src.rpm
kernel-debug-modules-4.18.0-372.9.1.el8.x86_64.rpm
kernel-doc-4.18.0-372.9.1.el8.noarch.rpm
kernel-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-modules-4.18.0-372.9.1.el8.aarch64.rpm
kernel-tools-libs-devel-4.18.0-372.9.1.el8.aarch64.rpm
kernel-zfcpdump-devel-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-devel-4.18.0-372.9.1.el8.x86_64.rpm
kernel-headers-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-abi-stablelists-4.18.0-372.9.1.el8.noarch.rpm
kernel-debug-modules-extra-4.18.0-372.9.1.el8.s390x.rpm
kernel-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
perf-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debuginfo-common-s390x-4.18.0-372.9.1.el8.s390x.rpm
kernel-modules-extra-4.18.0-372.9.1.el8.x86_64.rpm
kernel-tools-4.18.0-372.9.1.el8.aarch64.rpm
bpftool-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debuginfo-common-x86_64-4.18.0-372.9.1.el8.x86_64.rpm
kernel-devel-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debug-modules-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
kernel-debug-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
kernel-modules-extra-4.18.0-372.9.1.el8.aarch64.rpm
bpftool-4.18.0-372.9.1.el8.s390x.rpm
kernel-cross-headers-4.18.0-372.9.1.el8.s390x.rpm
kernel-core-4.18.0-372.9.1.el8.aarch64.rpm
kernel-zfcpdump-modules-extra-4.18.0-372.9.1.el8.s390x.rpm
kernel-cross-headers-4.18.0-372.9.1.el8.aarch64.rpm
kernel-tools-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
kernel-modules-4.18.0-372.9.1.el8.s390x.rpm
kernel-tools-4.18.0-372.9.1.el8.s390x.rpm
kernel-core-4.18.0-372.9.1.el8.x86_64.rpm
bpftool-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-modules-extra-4.18.0-372.9.1.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-372.9.1.el8.x86_64.rpm
kernel-debug-devel-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debug-core-4.18.0-372.9.1.el8.s390x.rpm
kernel-debug-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
perf-4.18.0-372.9.1.el8.s390x.rpm
kernel-devel-4.18.0-372.9.1.el8.x86_64.rpm
perf-debuginfo-4.18.0-372.9.1.el8.s390x.rpm
bpftool-4.18.0-372.9.1.el8.x86_64.rpm
bpftool-debuginfo-4.18.0-372.9.1.el8.aarch64.rpm
python3-perf-debuginfo-4.18.0-372.9.1.el8.ppc64le.rpm
kernel-debug-4.18.0-372.9.1.el8.aarch64.rpm
kernel-tools-libs-4.18.0-372.9.1.el8.aarch64.rpm

Fixes

CVEs

CVE-2020-0404
CVE-2020-4788
CVE-2020-13974
CVE-2020-27820
CVE-2021-0941
CVE-2021-3612
CVE-2021-3669
CVE-2021-3743
CVE-2021-3744
CVE-2021-3752
CVE-2021-3759
CVE-2021-3764
CVE-2021-3772
CVE-2021-3773
CVE-2021-3923
CVE-2021-4002
CVE-2021-4037
CVE-2021-4083
CVE-2021-4093
CVE-2021-4157
CVE-2021-4197
CVE-2021-4203
CVE-2021-4460
CVE-2021-20322
CVE-2021-21781
CVE-2021-26401
CVE-2021-29154
CVE-2021-37159
CVE-2021-40490
CVE-2021-41864
CVE-2021-42739
CVE-2021-43056
CVE-2021-43389
CVE-2021-43976
CVE-2021-44733
CVE-2021-45485
CVE-2021-45486
CVE-2021-47076
CVE-2021-47178
CVE-2021-47203
CVE-2021-47301
CVE-2021-47435
CVE-2021-47498
CVE-2021-47501
CVE-2021-47544
CVE-2021-47556
CVE-2021-47590
CVE-2021-47614
CVE-2022-0001
CVE-2022-0002
CVE-2022-0286
CVE-2022-0322
CVE-2022-0850
CVE-2022-1011
CVE-2022-3105
CVE-2022-3106
CVE-2022-3108
CVE-2022-48771
CVE-2022-48904
CVE-2022-49227
CVE-2022-50131
CVE-2022-50475
CVE-2022-50510
CVE-2022-50536
CVE-2023-0459
CVE-2023-53570
CVE-2023-53649

References

Additional information

The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.