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

Synopsis:          Important: kernel security and bug fix update
Advisory ID:       RHSA-2023:4137-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:4137
Issue date:        2023-07-18
CVE Names:         CVE-2022-1016 CVE-2022-42703 CVE-2022-42896 
                   CVE-2023-2002 CVE-2023-2124 CVE-2023-2235 
=====================================================================

1. Summary:

An update for kernel is now available for Red Hat Enterprise Linux 9.0
Extended Update Support.

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 EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.9.0) - 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 l2cap_connect and l2cap_le_connect_req in
net/bluetooth/l2cap_core.c (CVE-2022-42896)

* kernel: use-after-free vulnerability in the perf_group_detach function of
the Linux Kernel Performance Events (CVE-2023-2235)

* kernel: uninitialized registers on stack in nft_do_chain can cause kernel
pointer leakage to UM (CVE-2022-1016)

* kernel: use-after-free related to leaf anon_vma double reuse
(CVE-2022-42703)

* Kernel: bluetooth: Unauthorized management command execution
(CVE-2023-2002)

* kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)

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):

* Backport kernel audit enhancements and fixes from v5.13-rc1 to v5.16-rc6
(BZ#2098210)

* INTEL 9.0 BUG VROC: RAID rebuild doesn't start after removing drive
during FIO (BZ#2174890)

* HPEMC RHEL 9 BUG: acpi-cpufreq: Skip initializtion if a cpufreq driver
exists (BZ#2186564)

* RHEL9.3: Update locking code to upstream 6.1 and further fixes
(BZ#2187517)

* block layer: update with upstream v6.0 (BZ#2196175)

* rhel-9: Invalid character detected by rpminspect in
Documentation/translations/zh_CN/process/magic-number.rst (BZ#2208244)

* Trouble getting callstacks when signal has interrupted clock_gettime
(BZ#2210076)

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/):

2066614 - CVE-2022-1016 kernel: uninitialized registers on stack in nft_do_chain can cause kernel pointer leakage to UM
2133483 - CVE-2022-42703 kernel: use-after-free related to leaf anon_vma double reuse
2147364 - CVE-2022-42896 kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c
2187308 - CVE-2023-2002 Kernel: bluetooth: Unauthorized management command execution
2187439 - CVE-2023-2124 kernel: OOB access in the Linux kernel's XFS subsystem
2192589 - CVE-2023-2235 kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v.9.0):

aarch64:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-devel-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-devel-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-headers-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
perf-5.14.0-70.64.1.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm

noarch:
kernel-doc-5.14.0-70.64.1.el9_0.noarch.rpm

ppc64le:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-devel-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-devel-matched-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-headers-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
perf-5.14.0-70.64.1.el9_0.ppc64le.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm

s390x:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-devel-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-devel-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-devel-matched-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-headers-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-devel-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-devel-matched-5.14.0-70.64.1.el9_0.s390x.rpm
perf-5.14.0-70.64.1.el9_0.s390x.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm

x86_64:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-devel-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-devel-matched-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-devel-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-devel-matched-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-headers-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
perf-5.14.0-70.64.1.el9_0.x86_64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm

Red Hat Enterprise Linux BaseOS EUS (v.9.0):

Source:
kernel-5.14.0-70.64.1.el9_0.src.rpm

aarch64:
bpftool-5.14.0-70.64.1.el9_0.aarch64.rpm
bpftool-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-core-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-core-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-modules-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-modules-extra-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-modules-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-modules-extra-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-libs-5.14.0-70.64.1.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
python3-perf-5.14.0-70.64.1.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm

noarch:
kernel-abi-stablelists-5.14.0-70.64.1.el9_0.noarch.rpm

ppc64le:
bpftool-5.14.0-70.64.1.el9_0.ppc64le.rpm
bpftool-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-core-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-core-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-modules-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-modules-extra-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-modules-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-modules-extra-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-libs-5.14.0-70.64.1.el9_0.ppc64le.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
python3-perf-5.14.0-70.64.1.el9_0.ppc64le.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm

s390x:
bpftool-5.14.0-70.64.1.el9_0.s390x.rpm
bpftool-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-core-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-core-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-modules-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-modules-extra-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-modules-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-modules-extra-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-tools-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-core-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-modules-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-modules-extra-5.14.0-70.64.1.el9_0.s390x.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
python3-perf-5.14.0-70.64.1.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm

x86_64:
bpftool-5.14.0-70.64.1.el9_0.x86_64.rpm
bpftool-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-core-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-core-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-modules-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-modules-extra-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-modules-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-modules-extra-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-libs-5.14.0-70.64.1.el9_0.x86_64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
python3-perf-5.14.0-70.64.1.el9_0.x86_64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm

Red Hat CodeReady Linux Builder EUS (v.9.0):

aarch64:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-cross-headers-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
kernel-tools-libs-devel-5.14.0-70.64.1.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.aarch64.rpm

ppc64le:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-cross-headers-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
kernel-tools-libs-devel-5.14.0-70.64.1.el9_0.ppc64le.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.ppc64le.rpm

s390x:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-cross-headers-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-debuginfo-common-s390x-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
kernel-zfcpdump-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.s390x.rpm

x86_64:
bpftool-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-cross-headers-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debug-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-debuginfo-common-x86_64-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
kernel-tools-libs-devel-5.14.0-70.64.1.el9_0.x86_64.rpm
perf-debuginfo-5.14.0-70.64.1.el9_0.x86_64.rpm
python3-perf-debuginfo-5.14.0-70.64.1.el9_0.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-2022-1016
https://access.redhat.com/security/cve/CVE-2022-42703
https://access.redhat.com/security/cve/CVE-2022-42896
https://access.redhat.com/security/cve/CVE-2023-2002
https://access.redhat.com/security/cve/CVE-2023-2124
https://access.redhat.com/security/cve/CVE-2023-2235
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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