RHSA-2023:7370 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.2 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.

Description

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

Security Fix(es):

• kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)
• kernel: net/sched: multiple vulnerabilities (CVE-2023-3609, CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)
• kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
• kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)
• kernel: AMD: Cross-Thread Return Address Predictions (CVE-2022-27672)
• hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)

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):

• RHEL9.0.z - kdump service failed to start when 32TB lpar is activated with desired_memory 100gb and max memory 32TB. (BZ#2192539)
• RHEL 9.0 - system hang during 6th EEH (BZ#2192561)
• RHEL9.0 - kernel: fix __clear_user() inline assembly constraints (BZ#2192599)
• LPAR is crashed by Phyp when doing DLPAR CPU operations (BZ#2193372)
• RHEL 9.2 - Wrong numa_node is assigned to vpmem device (BZ#2212450)
• Rhel9.2 - drmgr command is failing (BZ#2213789)
• [Intel 9.2] IOMMU: QAT Device Address Translation Issue with Invalidation Completion Ordering (BZ#2221161)
• [RHEL9.3] intel_pstate may provide incorrect scaling values for hybrid capable systems with E-cores disabled (BZ#2221268)
• [DELL SFSS] NVMe-TCP: kernel panic during connect/delete_controller tests (BZ#2227780)
• LPM of RHEL client lpar got failed with error HSCLA2CF in 19th loops (BZ#2230270)
• rbd: exclusive lock blocklisting and osd_request_timeout handling fixes (BZ#2231460)
• openvswitch needs a stable hash in the kernel module (BZ#2232136)
• [Intel 9.3] iavf: Driver Update (BZ#2232387)
• [openvswitch] Add drop reasons to openvswitch (BZ#2233104)
• [RHEL9] Percpu counter usage is gradually getting increasing during podman container recreation (BZ#2233214)
• enable conntrack clash resolution for GRE (BZ#2233799)
• [Hyper-V][RHEL-9] hv_storvsc driver logging excessive storvsc_log events for storvsc_on_io_completion() (BZ#2234834)
• [e1000e] Intel 219-LM need to disable TSO to increase the speed (BZ#2235668)
• Update lpfc 14.2.0.12 for RHEL 9.3 Inbox with 6 bug fixes from 14.2.0.14 (BZ#2235785)
• backport 'Revert "softirq: Let ksoftirqd do its job"' from upstream (BZ#2236415)
• NAT sport clash in OCP causing 1 second TCP connection establishment delay (BZ#2236513)
• RHEL9.2 RC build - LTP test via SLS suite fails with a crash after running for 19hrs (BZ#2236699)
• Container CPU affinity not set properly on Openshift using RHEL 9.2 (BZ#2236859)
• NFSv4.0 client hangs when server reboot while client had outstanding lock request to the server (BZ#2237841)
• VMs deployed with RT workloads getting interrupted - vmstat_update (BZ#2238026)
• core: backports from upstream (BZ#2238027)
• SCSI updates for RHEL 9.3 (BZ#2238410)
• Regression of 3b8cc6298724 ("blk-cgroup: Optimize blkcg_rstat_flush()") (BZ#2238721)
• NOHZ_FULL, and CFS quota co-existance (BZ#2240227)
• Kernel doesn't boot on AWS SEV-SNP enabled instances (BZ#2241202)
• RHEL 9.2 crash issue when creating SR-IOV VFs from E810 in switchdev mode (BZ#2241879)

Enhancement(s):

• [Intel 9.3 FEAT] [EMR] power: Add EMR support to intel_rapl and intel_idle drivers (BZ#2230167, BZ#2230168)
• [Intel 9.3 FEAT] [EMR] power: intel-speed-select tool support for EMR (BZ#2230170)
• [Intel 9.3 FEAT] [EMR] RAS: Add EDAC support for EMR (BZ#2230172)
• [RHEL 9.3 FEAT] update turbostat to upstream 6.3 (BZ#2230174)
• [Lenovo 9.3 FEAT] drivers/nvme - Update to the latest upstream (BZ#2231219)
• [Intel 9.4 FEAT] [EMR] Support intel-uncore-frequency driver (BZ#2239450)
• ice: Enable DPLL support (BZ#2242556)

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

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat Enterprise Linux Server - AUS 9.2 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.2 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.2 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.2 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.2 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x

Fixes

• BZ - 2174765 - CVE-2022-27672 kernel: AMD: Cross-Thread Return Address Predictions
• BZ - 2223949 - CVE-2022-40982 hw: Intel: Gather Data Sampling (GDS) side channel vulnerability
• BZ - 2224048 - CVE-2023-3812 kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags
• BZ - 2225201 - CVE-2023-3609 kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails
• BZ - 2225511 - CVE-2023-4128 CVE-2023-4206 CVE-2023-4207 CVE-2023-4208 kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route
• BZ - 2239843 - CVE-2023-42753 kernel: netfilter: potential slab-out-of-bound access due to integer underflow
• BZ - 2241924 - CVE-2023-5178 kernel: use after free in nvmet_tcp_free_crypto in NVMe

CVEs

• CVE-2022-27672
• CVE-2022-40982
• CVE-2022-50042
• CVE-2023-3609
• CVE-2023-3812
• CVE-2023-4128
• CVE-2023-4206
• CVE-2023-4207
• CVE-2023-4208
• CVE-2023-5178
• CVE-2023-42753
• CVE-2024-0443

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/solutions/7027704