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

Synopsis:          Important: kernel security, bug fix, and enhancement update
Advisory ID:       RHSA-2023:1566-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:1566
Issue date:        2023-04-04
CVE Names:         CVE-2022-4269 CVE-2022-4378 CVE-2023-0266 
                   CVE-2023-0386 
=====================================================================

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: stack overflow in do_proc_dointvec and proc_skip_spaces
(CVE-2022-4378)

* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF
(CVE-2023-0266)

* kernel: FUSE filesystem low-privileged user privileges escalation
(CVE-2023-0386)

* kernel: net: CPU soft lockup in TC mirred egress-to-ingress action
(CVE-2022-4269)

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):

* kernel panic on reboot due to a bug in mei_wdt module (BZ#2139770)

* RHEL8: Practically limit "Dummy wait" workaround to old Intel systems
(BZ#2142170)

* AMDSERVER 8.7: amdpstate driver incorrectly designed to load as default
for Genoa (BZ#2151275)

* RHEL-8.8: Update RDMA core to Linux v6.0 (BZ#2161750)

* Kernel panic observed during VxFS module unload (BZ#2162763)

* Client not able to connect to rhel server: SYN is answered by chalange
ACK and RST is ignored (BZ#2165587)

* RHEL8.4: s390/kexec: fix ipl report address for kdump (BZ#2166296)

* kvm-unit-test reports unhandled exception on AMD (BZ#2166362)

* Windows Server 2019 guest randomly pauses with "KVM: entry failed,
hardware error 0x80000021" (BZ#2166368)

* Unable to get QinQ working with ConnectX-4 Lx in SR-IOV scenario
(BZ#2166665)

* panic in fib6_rule_suppress+0x22 with custom xdp prog involved in
(BZ#2167602)

* net/mlx5e: Fix use-after-free when reverting termination table
(BZ#2167640)

* RHEL 8.7: EEH injection failed to recover on Mellanox adapter.
(BZ#2167645)

* mlx5: lag and sriov fixes (BZ#2167647)

* RHEL8.4:  dasd: fix no record found for raw_track_access (BZ#2167776)

* GSS: Set of fixes in ceph kernel module to prevent OCS node kernel crash
- -  blocklist the kclient when receiving corrupted snap trace (BZ#2168896)

* Azure RHEL8 scsi: storvsc: Fix swiotlb bounce buffer leak in confidential
VM (BZ#2170228)

* fast_isolate_freepages scans out of target zone (BZ#2170576)

* Backport Request for locking/rwsem commits (BZ#2170939)

* ipv6 traffic stop when an sriov vf have ipv6 address (BZ#2172550)

* Hyper-V RHEL8.8: Update MANA driver (BZ#2173103)

Enhancement(s):

* Intel 8.8 FEAT SPR CPU: AMX: Improve the init_fpstate setup code
(BZ#2168384)

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/):

2150272 - CVE-2022-4269 kernel: net: CPU soft lockup in TC mirred egress-to-ingress action
2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces
2159505 - CVE-2023-0386 kernel: FUSE filesystem low-privileged user privileges escalation
2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
kernel-4.18.0-425.19.2.el8_7.src.rpm

aarch64:
bpftool-4.18.0-425.19.2.el8_7.aarch64.rpm
bpftool-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-core-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-cross-headers-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-core-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-devel-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-modules-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-devel-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-headers-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-modules-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-modules-extra-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-tools-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-tools-libs-4.18.0-425.19.2.el8_7.aarch64.rpm
perf-4.18.0-425.19.2.el8_7.aarch64.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
python3-perf-4.18.0-425.19.2.el8_7.aarch64.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm

noarch:
kernel-abi-stablelists-4.18.0-425.19.2.el8_7.noarch.rpm
kernel-doc-4.18.0-425.19.2.el8_7.noarch.rpm

ppc64le:
bpftool-4.18.0-425.19.2.el8_7.ppc64le.rpm
bpftool-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-core-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-cross-headers-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-core-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-modules-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-headers-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-modules-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-modules-extra-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-tools-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-tools-libs-4.18.0-425.19.2.el8_7.ppc64le.rpm
perf-4.18.0-425.19.2.el8_7.ppc64le.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
python3-perf-4.18.0-425.19.2.el8_7.ppc64le.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm

s390x:
bpftool-4.18.0-425.19.2.el8_7.s390x.rpm
bpftool-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-core-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-cross-headers-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-core-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-devel-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-modules-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-debuginfo-common-s390x-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-devel-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-headers-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-modules-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-tools-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-core-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-devel-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-modules-4.18.0-425.19.2.el8_7.s390x.rpm
kernel-zfcpdump-modules-extra-4.18.0-425.19.2.el8_7.s390x.rpm
perf-4.18.0-425.19.2.el8_7.s390x.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm
python3-perf-4.18.0-425.19.2.el8_7.s390x.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.s390x.rpm

x86_64:
bpftool-4.18.0-425.19.2.el8_7.x86_64.rpm
bpftool-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-core-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-cross-headers-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-core-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-devel-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-modules-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-modules-extra-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-devel-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-headers-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-modules-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-modules-extra-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-tools-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-tools-libs-4.18.0-425.19.2.el8_7.x86_64.rpm
perf-4.18.0-425.19.2.el8_7.x86_64.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
python3-perf-4.18.0-425.19.2.el8_7.x86_64.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm

Red Hat CodeReady Linux Builder (v. 8):

aarch64:
bpftool-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.aarch64.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.aarch64.rpm

ppc64le:
bpftool-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.ppc64le.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.ppc64le.rpm

x86_64:
bpftool-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debug-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-debuginfo-common-x86_64-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-tools-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
kernel-tools-libs-devel-4.18.0-425.19.2.el8_7.x86_64.rpm
perf-debuginfo-4.18.0-425.19.2.el8_7.x86_64.rpm
python3-perf-debuginfo-4.18.0-425.19.2.el8_7.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-2022-4269
https://access.redhat.com/security/cve/CVE-2022-4378
https://access.redhat.com/security/cve/CVE-2023-0266
https://access.redhat.com/security/cve/CVE-2023-0386
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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