RHSA-2025:2270 - Security Advisory

Topic

An update for kernel is now available for Red Hat Enterprise Linux 9.4 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 i2c (CVE-2019-25162)
• kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759)
• kernel: net/sched: act_mirred: use the backlog for mirred ingress (CVE-2024-26740)
• kernel: nvme-fc: do not wait in vain when unloading module (CVE-2024-26846)
• kernel: efi: runtime: Fix potential overflow of soft-reserved region size (CVE-2024-26843)
• kernel: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit() (CVE-2024-26894)
• kernel: drm/vmwgfx: Unmap the surface before resetting it on a plane state (CVE-2023-52648)
• kernel: net: openvswitch: Fix Use-After-Free in ovs_ct_exit (CVE-2024-27395)
• kernel: ACPI: LPIT: Avoid u32 multiplication overflow (CVE-2023-52683)
• kernel: dyndbg: fix old BUG_ON in >control parser (CVE-2024-35947)
• kernel: net/mlx5e: Fix mlx5e_priv_init() cleanup flow (CVE-2024-35959)
• kernel: lib/generic-radix-tree.c: Don't overflow in peek() (CVE-2021-47432)
• kernel: i2c: core: Run atomic i2c xfer when !preemptible (CVE-2023-52791)
• kernel: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets (CVE-2024-36905)
• kernel: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find() (CVE-2024-39276)
• kernel: kobject_uevent: Fix OOB access within zap_modalias_env() (CVE-2024-42292)
• kernel: padata: Fix possible divide-by-0 panic in padata_mt_helper() (CVE-2024-43889)
• kernel: sctp: Fix null-ptr-deref in reuseport_add_sock(). (CVE-2024-44935)
• kernel: bonding: fix null pointer deref in bond_ipsec_offload_ok (CVE-2024-44990)
• kernel: net: avoid potential underflow in qdisc_pkt_len_init() with UFO (CVE-2024-49949)
• kernel: arm64: probes: Remove broken LDR (literal) uprobe support (CVE-2024-50099)

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 9.4 x86_64
• Red Hat Enterprise Linux Server - AUS 9.4 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x

Fixes

• BZ - 2266296 - CVE-2019-25162 kernel: use after free in i2c
• BZ - 2273204 - CVE-2024-26759 kernel: mm/swap: fix race when skipping swapcache
• BZ - 2273268 - CVE-2024-26740 kernel: net/sched: act_mirred: use the backlog for mirred ingress
• BZ - 2275558 - CVE-2024-26846 kernel: nvme-fc: do not wait in vain when unloading module
• BZ - 2275565 - CVE-2024-26843 kernel: efi: runtime: Fix potential overflow of soft-reserved region size
• BZ - 2275661 - CVE-2024-26894 kernel: ACPI: processor_idle: Fix memory leak in acpi_processor_power_exit()
• BZ - 2278539 - CVE-2023-52648 kernel: drm/vmwgfx: Unmap the surface before resetting it on a plane state
• BZ - 2280440 - CVE-2024-27395 kernel: net: openvswitch: Fix Use-After-Free in ovs_ct_exit
• BZ - 2281317 - CVE-2023-52683 kernel: ACPI: LPIT: Avoid u32 multiplication overflow
• BZ - 2281510 - CVE-2024-35947 kernel: dyndbg: fix old BUG_ON in >control parser
• BZ - 2281923 - CVE-2024-35959 kernel: net/mlx5e: Fix mlx5e_priv_init() cleanup flow
• BZ - 2282366 - CVE-2021-47432 kernel: lib/generic-radix-tree.c: Don't overflow in peek()
• BZ - 2282763 - CVE-2023-52791 kernel: i2c: core: Run atomic i2c xfer when !preemptible
• BZ - 2284539 - CVE-2024-36905 kernel: tcp: defer shutdown(SEND_SHUTDOWN) for TCP_SYN_RECV sockets
• BZ - 2294274 - CVE-2024-39276 kernel: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()
• BZ - 2307862 - CVE-2024-43889 kernel: padata: Fix possible divide-by-0 panic in padata_mt_helper()
• BZ - 2307892 - CVE-2024-44935 kernel: sctp: Fix null-ptr-deref in reuseport_add_sock().
• BZ - 2309853 - CVE-2024-44990 kernel: bonding: fix null pointer deref in bond_ipsec_offload_ok
• BZ - 2320505 - CVE-2024-49949 kernel: net: avoid potential underflow in qdisc_pkt_len_init() with UFO
• BZ - 2323904 - CVE-2024-50099 kernel: arm64: probes: Remove broken LDR (literal) uprobe support

CVEs

• CVE-2019-25162
• CVE-2021-47432
• CVE-2023-52648
• CVE-2023-52683
• CVE-2023-52791
• CVE-2024-26740
• CVE-2024-26759
• CVE-2024-26843
• CVE-2024-26846
• CVE-2024-26894
• CVE-2024-27395
• CVE-2024-35947
• CVE-2024-35959
• CVE-2024-36905
• CVE-2024-39276
• CVE-2024-42292
• CVE-2024-43889
• CVE-2024-44935
• CVE-2024-44990
• CVE-2024-49949
• CVE-2024-50099

References

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