RHSA-2024:5365 - Security Advisory

Topic

An update for kernel-rt 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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete (CVE-2024-26897)
• kernel: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work (CVE-2024-27052)
• kernel: wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev() (CVE-2023-52651)
• kernel: wifi: cfg80211: check A-MSDU format more carefully (CVE-2024-35937)
• kernel: platform/x86: wmi: Fix opening of char device (CVE-2023-52864)
• kernel: net: CVE-2024-36971 kernel: UAF in network route management (CVE-2024-36971)
• kernel: net/mlx5: Add a timeout to acquire the command queue semaphore (CVE-2024-38556)
• kernel: stm class: Fix a double free in stm_register_device() (CVE-2024-38627)

Bug Fix(es):

• kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-52875)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer the CVE page(s) listed in the References section.

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

Affected Products

• Red Hat Enterprise Linux for Real Time for x86_64 - 4 years of updates 9.2 x86_64
• Red Hat Enterprise Linux for Real Time for NFV for x86_64 - 4 years of updates 9.2 x86_64

Fixes

• BZ - 2265653 - CVE-2023-52448 kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump
• BZ - 2275655 - CVE-2024-26897 kernel: wifi: ath9k: delay all of ath9k_wmi_event_tasklet() until init is complete
• BZ - 2275742 - CVE-2024-26855 kernel: net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()
• BZ - 2278417 - CVE-2024-27052 kernel: wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work
• BZ - 2278435 - CVE-2024-27046 kernel: nfp: flower: handle acti_netdevs allocation failure
• BZ - 2278519 - CVE-2023-52651 kernel: wifi: ath10k: fix NULL pointer dereference in ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev()
• BZ - 2278989 - CVE-2024-21823 kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application
• BZ - 2281057 - CVE-2024-35789 kernel: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes
• BZ - 2281257 - CVE-2024-35852 kernel: mlxsw: spectrum_acl_tcam: Fix memory leak when canceling rehash work
• BZ - 2281272 - CVE-2024-35845 kernel: wifi: iwlwifi: dbg-tlv: ensure NUL termination
• BZ - 2281647 - CVE-2024-35907 kernel: mlxbf_gige: call request_irq() after NAPI initialized
• BZ - 2281821 - CVE-2024-35937 kernel: wifi: cfg80211: check A-MSDU format more carefully
• BZ - 2282357 - CVE-2021-47383 kernel: tty: Fix out-of-bound vmalloc access in imageblit
• BZ - 2282719 - CVE-2023-52864 kernel: platform/x86: wmi: Fix opening of char device
• BZ - 2282720 - CVE-2023-52771 kernel: cxl/port: Fix delete_endpoint() vs parent unregistration race
• BZ - 2284474 - CVE-2024-36941 kernel: wifi: nl80211: don't free NULL coalescing rule
• BZ - 2284511 - CVE-2024-36922 kernel: wifi: iwlwifi: read txq->read_ptr under lock
• BZ - 2292331 - CVE-2024-36971 kernel: net: UAF in network route management
• BZ - 2293402 - CVE-2024-38586 kernel: r8169: Fix possible ring buffer corruption on fragmented Tx packets.
• BZ - 2293443 - CVE-2024-38556 kernel: net/mlx5: Add a timeout to acquire the command queue semaphore
• BZ - 2293444 - CVE-2024-38555 kernel: net/mlx5: Discard command completions in internal error
• BZ - 2293461 - CVE-2024-38538 kernel: net: bridge: xmit: make sure we have at least eth header len bytes
• BZ - 2293700 - CVE-2024-38627 kernel: stm class: Fix a double free in stm_register_device()

CVEs

• CVE-2021-47383
• CVE-2023-52448
• CVE-2023-52651
• CVE-2023-52771
• CVE-2023-52864
• CVE-2024-21823
• CVE-2024-26855
• CVE-2024-26897
• CVE-2024-27046
• CVE-2024-27052
• CVE-2024-35789
• CVE-2024-35845
• CVE-2024-35852
• CVE-2024-35907
• CVE-2024-35937
• CVE-2024-36922
• CVE-2024-36941
• CVE-2024-36971
• CVE-2024-38538
• CVE-2024-38555
• CVE-2024-38556
• CVE-2024-38586
• CVE-2024-38627

References

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