The following advisory data is extracted from: https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4928.json Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. - Packet Storm Staff ==================================================================== Red Hat Security Advisory Synopsis: Moderate: kernel security update Advisory ID: RHSA-2024:4928-03 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2024:4928 Issue date: 2024-07-31 Revision: 03 CVE Names: CVE-2021-47459 ==================================================================== Summary: 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. Description: 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. Solution: https://access.redhat.com/articles/11258 CVEs: CVE-2021-47459 References: https://access.redhat.com/security/updates/classification/#moderate https://bugzilla.redhat.com/show_bug.cgi?id=2265794 https://bugzilla.redhat.com/show_bug.cgi?id=2273236 https://bugzilla.redhat.com/show_bug.cgi?id=2273274 https://bugzilla.redhat.com/show_bug.cgi?id=2275690 https://bugzilla.redhat.com/show_bug.cgi?id=2275761 https://bugzilla.redhat.com/show_bug.cgi?id=2278337 https://bugzilla.redhat.com/show_bug.cgi?id=2278435 https://bugzilla.redhat.com/show_bug.cgi?id=2278473 https://bugzilla.redhat.com/show_bug.cgi?id=2281247 https://bugzilla.redhat.com/show_bug.cgi?id=2281647 https://bugzilla.redhat.com/show_bug.cgi?id=2281700 https://bugzilla.redhat.com/show_bug.cgi?id=2282669 https://bugzilla.redhat.com/show_bug.cgi?id=2282898 https://bugzilla.redhat.com/show_bug.cgi?id=2284506 https://bugzilla.redhat.com/show_bug.cgi?id=2284598 https://bugzilla.redhat.com/show_bug.cgi?id=2293316 https://bugzilla.redhat.com/show_bug.cgi?id=2293412