RHSA-2024:5281 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.

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.

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

Security Fix(es):

• kernel:TCP-spoofed ghost ACKs and leak leak initial sequence number (CVE-2023-52881,RHV-2024-1001)

• kernel: uio: Fix use-after-free in uio_open (CVE-2023-52439)

• kernel: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump (CVE-2023-52448)

• kernel: bnxt: prevent skb UAF after handing over to PTP worker (CVE-2022-48637)

• kernel: dmaengine/idxd: hardware erratum allows potential security problem with direct access by untrusted application (CVE-2024-21823)

• kernel: mlxsw: spectrum_acl_tcam: Fix memory leak when canceling rehash work (CVE-2024-35852)

• kernel: hwmon: (w83792d) Fix NULL pointer dereference by removing unnecessary structure field (CVE-2021-47385)

• kernel: net: qcom/emac: fix UAF in emac_remove (CVE-2021-47311)

• kernel: proc/vmcore: fix clearing user buffer by properly using clear_user() (CVE-2021-47566)

• kernel: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation (CVE-2024-36017)

• kernel: net: CVE-2024-36971 kernel: UAF in network route management (CVE-2024-36971)

• kernel: ionic: fix use after netif_napi_del() (CVE-2024-39502)

• kernel: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() (CVE-2023-52885)

• kernel: NFSD: Fix the behavior of READ near OFFSET_MAX (CVE-2022-48827)

• kernel: NFSD: Fix ia_size underflow (CVE-2022-48828)

• kernel: NFSD: Fix NFSv3 SETATTR/CREATE's handling of large file sizes (CVE-2022-48829)

• kernel: virtio-net: tap: mlx5_core short frame denial of service (CVE-2024-41090)

• kernel: virtio-net: tun: mlx5_core short frame denial of service (CVE-2024-41091)

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.