Issued:

2024-04-18

Updated:

2024-04-18

RHSA-2024:1877 - Moderate: kernel security and bug fix update

Synopsis

Moderate: kernel security and bug fix update

Type/Severity

Security Advisory Moderate

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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):

• hw: cpu: AMD CPUs may transiently execute beyond unconditional direct branch (CVE-2021-26341)

• kernel: use-after-free and memory errors in ext4 when mounting and operating on a corrupted image (CVE-2022-1184)

• kernel: NULL pointer dereference in x86_emulate_insn may lead to DoS (CVE-2022-1852)

• kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c (CVE-2022-3640)

• kernel: Information leak in l2cap_parse_conf_req in net/bluetooth/l2cap_core.c (CVE-2022-42895)

• kernel: veth: ensure skb entering GRO are not cloned. (CVE-2021-47099)

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

Updated Packages

• kernel-debug-modules-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debug-modules-extra-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-devel-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-modules-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-zfcpdump-modules-extra-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-cross-headers-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debug-modules-extra-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-doc-4.18.0-372.100.1.el8_6.noarch.rpm
• kernel-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-modules-extra-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-cross-headers-4.18.0-372.100.1.el8_6.x86_64.rpm
• perf-4.18.0-372.100.1.el8_6.ppc64le.rpm
• perf-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• python3-perf-4.18.0-372.100.1.el8_6.aarch64.rpm
• python3-perf-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-headers-4.18.0-372.100.1.el8_6.x86_64.rpm
• python3-perf-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-libs-4.18.0-372.100.1.el8_6.x86_64.rpm
• bpftool-4.18.0-372.100.1.el8_6.ppc64le.rpm
• perf-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• python3-perf-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-devel-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-modules-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-core-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-cross-headers-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-devel-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-zfcpdump-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-4.18.0-372.100.1.el8_6.s390x.rpm
• python3-perf-4.18.0-372.100.1.el8_6.x86_64.rpm
• bpftool-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-core-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-zfcpdump-devel-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debug-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• perf-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• python3-perf-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• bpftool-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debuginfo-common-aarch64-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-devel-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-modules-extra-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-cross-headers-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-tools-libs-4.18.0-372.100.1.el8_6.ppc64le.rpm
• bpftool-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• bpftool-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debug-modules-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-core-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debug-devel-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-devel-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debuginfo-common-ppc64le-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-modules-4.18.0-372.100.1.el8_6.aarch64.rpm
• bpftool-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-modules-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debug-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-tools-libs-devel-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-modules-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-zfcpdump-core-4.18.0-372.100.1.el8_6.s390x.rpm
• perf-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debuginfo-common-s390x-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-zfcpdump-modules-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-tools-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debug-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-libs-devel-4.18.0-372.100.1.el8_6.x86_64.rpm
• perf-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-abi-stablelists-4.18.0-372.100.1.el8_6.noarch.rpm
• kernel-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-headers-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-core-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-4.18.0-372.100.1.el8_6.src.rpm
• kernel-debuginfo-common-x86_64-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-debug-core-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-headers-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-tools-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-tools-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-core-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-modules-extra-4.18.0-372.100.1.el8_6.ppc64le.rpm
• perf-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-tools-libs-4.18.0-372.100.1.el8_6.aarch64.rpm
• python3-perf-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debug-devel-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-core-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-tools-debuginfo-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-modules-extra-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-debuginfo-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-tools-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-headers-4.18.0-372.100.1.el8_6.ppc64le.rpm
• perf-4.18.0-372.100.1.el8_6.aarch64.rpm
• python3-perf-4.18.0-372.100.1.el8_6.ppc64le.rpm
• bpftool-4.18.0-372.100.1.el8_6.s390x.rpm
• bpftool-4.18.0-372.100.1.el8_6.x86_64.rpm
• kernel-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debug-modules-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-core-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-debug-modules-extra-4.18.0-372.100.1.el8_6.aarch64.rpm
• kernel-debuginfo-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-devel-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-modules-extra-4.18.0-372.100.1.el8_6.s390x.rpm
• kernel-tools-libs-devel-4.18.0-372.100.1.el8_6.ppc64le.rpm
• kernel-zfcpdump-debuginfo-4.18.0-372.100.1.el8_6.s390x.rpm

Fixes

• This content is not included.BZ - 2061703
• This content is not included.BZ - 2070205
• This content is not included.BZ - 2089815
• This content is not included.BZ - 2139610
• This content is not included.BZ - 2147356
• This content is not included.BZ - 2267919

CVEs

• CVE-2021-26341
• CVE-2021-47099
• CVE-2022-1184
• CVE-2022-1852
• CVE-2022-3640
• CVE-2022-42895

References

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

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.