RHSA-2024:5067 — 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 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.

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: block: null pointer dereference in ioctl.c when length and logical block size are misaligned (CVE-2023-52458)

• kernel: ext4: regenerate buddy after block freeing failed if under fc replay (CVE-2024-26601)

• kernel: PM / devfreq: Synchronize devfreq_monitor_[start/stop] (CVE-2023-52635)

• kernel: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel (CVE-2024-26737)

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

• kernel: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses (CVE-2024-26947)

• kernel: scsi: qla2xxx: Fix double free of the ha->vp_map pointer (CVE-2024-26930)

• kernel: nouveau: lock the client object tree. (CVE-2024-27062)

• kernel: octeontx2-af: Use separate handlers for interrupts (CVE-2024-27030)

• kernel: vt: fix unicode buffer corruption when deleting characters (CVE-2024-35823)

• kernel: netfilter: validate user input for expected length (CVE-2024-35896)

• kernel: mlxbf_gige: stop interface during shutdown (CVE-2024-35885)

• kernel: netfilter: complete validation of user input (CVE-2024-35962)

• kernel: scsi: libfc: Fix potential NULL pointer dereference in fc_lport_ptp_setup() (CVE-2023-52809)

• kernel: i40e: fix vf may be used uninitialized in this function warning (CVE-2024-36020)

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

• kernel: net: core: reject skb_copy(_expand) for fraglist GSO skbs (CVE-2024-36929)

• kernel: drm/vmwgfx: Fix invalid reads in fence signaled events (CVE-2024-36960)

• kernel: ipvlan: Dont Use skb->sk in ipvlan_process_v{4,6}_outbound (CVE-2024-33621)

• kernel: blk-cgroup: fix list corruption from reorder of WRITE ->lqueued (CVE-2024-38384)

• kernel: blk-cgroup: fix list corruption from resetting io stat (CVE-2024-38663)

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

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.