RHSA-2024:3810 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.8 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):

• kernel: use-after-free in drivers/media/rc/ene_ir.c due to race condition (CVE-2023-1118)
• kernel: Spectre v2 SMT mitigations problem (CVE-2023-1998)
• kernel: NULL pointer dereference in __nvmet_req_complete (CVE-2023-6536)
• kernel: NULL pointer dereference in nvmet_tcp_execute_request (CVE-2023-6535)
• kernel: NULL pointer dereference in nvmet_tcp_build_iovec (CVE-2023-6356)
• kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption (CVE-2024-26586)
• kernel: net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send (CVE-2021-47013)
• kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier (CVE-2024-26602)
• kernel: net: bridge: data races indata-races in br_handle_frame_finish() (CVE-2023-52578)
• CVE-2024-25743 hw: amd: Instruction raise #VC exception at exit (AMD-SN-3008,CVE-2024-25742,CVE-2024-25743)
• kernel: netfilter: nf_tables: disallow anonymous set with timeout flag (CVE-2024-26642)

Bug Fix(es):

• md raid5 deadlock during sync check (JIRA:RHEL-27235)
• NULL pointer dereference occurs in x2apic_dead_cpu() due to missing backport from upstream commit 7a22e03b0c02 (JIRA:RHEL-32733)
• [RHEL8.8][ltp] case vma05 failed on x86_64 (JIRA:RHEL-33448)
• XFS: thaw operation hungs if caches are dropped while FS is frozen (JIRA:RHEL-34523)
• Temporary values in FIPS integrity test should be zeroized (JIRA:RHEL-36693)

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.

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 8.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life 8.8 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.8 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life 8.8 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life 8.8 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life 8.8 s390x

Fixes

• BZ - 2174400 - CVE-2023-1118 kernel: use-after-free in drivers/media/rc/ene_ir.c due to race condition
• BZ - 2187257 - CVE-2023-1998 kernel: Spectre v2 SMT mitigations problem
• BZ - 2254052 - CVE-2023-6536 kernel: NULL pointer dereference in __nvmet_req_complete
• BZ - 2254053 - CVE-2023-6535 kernel: NULL pointer dereference in nvmet_tcp_execute_request
• BZ - 2254054 - CVE-2023-6356 kernel: NULL pointer dereference in nvmet_tcp_build_iovec
• BZ - 2265645 - CVE-2024-26586 kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption
• BZ - 2266841 - CVE-2021-47013 kernel: net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send
• BZ - 2267695 - CVE-2024-26602 kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier
• BZ - 2267758 - CVE-2023-52578 kernel: net: bridge: data races indata-races in br_handle_frame_finish()
• BZ - 2270836 - CVE-2024-25742 CVE-2024-25743 hw: amd: Instruction raise #VC exception at exit
• BZ - 2270881 - CVE-2024-26642 kernel: netfilter: nf_tables: disallow anonymous set with timeout flag
• RHEL-27235 - md raid5 deadlock during sync check [rhel-8.8.0.z]

CVEs

• CVE-2021-47013
• CVE-2022-50717
• CVE-2023-1118
• CVE-2023-1998
• CVE-2023-6356
• CVE-2023-6535
• CVE-2023-6536
• CVE-2023-52578
• CVE-2024-25742
• CVE-2024-25743
• CVE-2024-26586
• CVE-2024-26602
• CVE-2024-26642

References

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