RHSA-2024:5673 — Security Advisory

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.

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: efivarfs: force RO when remounting if SetVariable is not supported (CVE-2023-52463)

• kernel: igc: avoid returning frame twice in XDP_REDIRECT (CVE-2024-26853)

• kernel: mm/hugetlb: fix missing hugetlb_lock for resv uncharge (CVE-2024-36000)

• kernel: bpf, sockmap: Don't let sock_map_{close,destroy,unhash} call itself (CVE-2023-52735)

• kernel: net: fix out-of-bounds access in ops_init (CVE-2024-36883)

• kernel: net/mlx5e: Fix netif state handling (CVE-2024-38608)

• kernel: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() (CVE-2024-40995)

• 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)

• kernel: NFSv4: Fix memory leak in nfs4_set_security_label (CVE-2024-41076)

• kernel: ice: Don't process extts if PTP is disabled (CVE-2024-42107)

Bug Fix(es):

• kernel-rt: update RT source tree to the latest RHEL-9.2 ad hoc schedule build (JIRA:RHEL-54222)

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.