RHSA-2024:4928 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 9.

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

Security Fix(es):

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

• kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() (CVE-2024-26773)

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

• kernel: dm: call the resume method on internal suspend (CVE-2024-26880)

• kernel: net/ipv6: avoid possible UAF in ip6_route_mpath_notify() (CVE-2024-26852)

• kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

• kernel: nfp: flower: handle acti_netdevs allocation failure (CVE-2024-27046)

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

• kernel: icmp: prevent possible NULL dereferences from icmp_build_probe() (CVE-2024-35857)

• kernel: mlxbf_gige: call request_irq() after NAPI initialized (CVE-2024-35907)

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

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

• kernel: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv (CVE-2021-47459)

• kernel: scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up() (CVE-2024-36924)

• kernel: scsi: lpfc: Move NPIV's transport unregistration to after resource clean up (CVE-2024-36952)

• kernel: net: amd-xgbe: Fix skb data length underflow (CVE-2022-48743)

• kernel: epoll: be better about file lifetimes (CVE-2024-38580)

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.