Issued:

2022-07-13

Updated:

2022-07-13

RHSA-2022:5564 - 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: race condition in perf_event_open leads to privilege escalation (CVE-2022-1729)

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):

• conntrack entries linger around after test (BZ#2066356)

• Any process performing I/O doesn't fail on degraded LVM RAID and IO process hangs (BZ#2075075)

• fix data corruption caused by dm-integrity (BZ#2082184)

• Backport request of "genirq: use rcu in kstat_irqs_usr()" (BZ#2083308)

• SUT will flash once color screen during boot to OS. (BZ#2083384)

• Kernel Support Fixes for UV5 platform (BZ#2084645)

• i/o on initiator stuck when network is disrupted (4.18.0-372.9.1.el8.x86_64) (BZ#2091078)

• glock deadlock (using the dct tool) (BZ#2092073)

• Recursive locking in gfs2_fault (read/write + mmap) (BZ#2092074)

• 8.6.z backport of "vmxnet3: add support for 32 Tx/Rx queues" from BZ 2083561 (BZ#2094473)

• System freezes with callstack in dmesg: ret_from_fork (BZ#2096305)

• Need some changes in RHEL8.x kernels. (BZ#2096931)

• Bad length in dpctl/dump-flows (BZ#2097796)

Enhancement(s):

• Elkhart Graphics - remove force_probe flag (BZ#2075567)

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

Updated Packages

• bpftool-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-devel-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-modules-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-devel-4.18.0-372.16.1.el8_6.x86_64.rpm
• perf-4.18.0-372.16.1.el8_6.ppc64le.rpm
• perf-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-cross-headers-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debug-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-devel-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debug-modules-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-tools-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• python3-perf-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-core-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debug-modules-extra-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-core-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-cross-headers-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-modules-4.18.0-372.16.1.el8_6.s390x.rpm
• python3-perf-4.18.0-372.16.1.el8_6.ppc64le.rpm
• perf-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• python3-perf-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-4.18.0-372.16.1.el8_6.x86_64.rpm
• python3-perf-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• bpftool-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-devel-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-modules-4.18.0-372.16.1.el8_6.aarch64.rpm
• bpftool-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-doc-4.18.0-372.16.1.el8_6.noarch.rpm
• kernel-zfcpdump-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-zfcpdump-devel-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-zfcpdump-modules-extra-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debuginfo-common-ppc64le-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-modules-extra-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-headers-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-cross-headers-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-cross-headers-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-headers-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-headers-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-tools-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-tools-libs-devel-4.18.0-372.16.1.el8_6.ppc64le.rpm
• perf-4.18.0-372.16.1.el8_6.aarch64.rpm
• perf-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-modules-extra-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-modules-extra-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-tools-libs-4.18.0-372.16.1.el8_6.x86_64.rpm
• perf-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• bpftool-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-zfcpdump-core-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-modules-extra-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debuginfo-common-x86_64-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debug-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-devel-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-zfcpdump-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-core-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debug-modules-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-4.18.0-372.16.1.el8_6.aarch64.rpm
• perf-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm
• python3-perf-4.18.0-372.16.1.el8_6.x86_64.rpm
• python3-perf-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-core-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-libs-4.18.0-372.16.1.el8_6.aarch64.rpm
• python3-perf-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-4.18.0-372.16.1.el8_6.x86_64.rpm
• perf-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-tools-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-modules-extra-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-devel-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-zfcpdump-modules-4.18.0-372.16.1.el8_6.s390x.rpm
• python3-perf-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-modules-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debuginfo-common-aarch64-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-4.18.0-372.16.1.el8_6.src.rpm
• kernel-modules-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-modules-extra-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• bpftool-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-libs-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-headers-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debuginfo-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debug-modules-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-core-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debuginfo-common-s390x-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-core-4.18.0-372.16.1.el8_6.ppc64le.rpm
• bpftool-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debug-core-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-core-4.18.0-372.16.1.el8_6.s390x.rpm
• bpftool-debuginfo-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-abi-stablelists-4.18.0-372.16.1.el8_6.noarch.rpm
• kernel-debug-modules-extra-4.18.0-372.16.1.el8_6.x86_64.rpm
• bpftool-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-4.18.0-372.16.1.el8_6.ppc64le.rpm
• kernel-debug-devel-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-debug-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-devel-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-tools-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-tools-libs-devel-4.18.0-372.16.1.el8_6.aarch64.rpm
• kernel-tools-libs-devel-4.18.0-372.16.1.el8_6.x86_64.rpm
• kernel-debuginfo-4.18.0-372.16.1.el8_6.s390x.rpm
• kernel-debug-debuginfo-4.18.0-372.16.1.el8_6.x86_64.rpm

Fixes

• This content is not included.BZ - 2086753

CVEs

• CVE-2022-1729
• CVE-2022-49044

References

• https://access.redhat.com/security/updates/classification/#important

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.