RHSA-2024:5065 — 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 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: drm: Don't unref the same fb many times by mistake due to deadlock handling (CVE-2023-52486)

• kernel: tcp: add sanity checks to rx zerocopy (CVE-2024-26640)

• kernel: vfio/pci: Lock external INTx masking ops (CVE-2024-26810)

• kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826)

• kernel: NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102 (CVE-2024-26870)

• kernel: mac802154: fix llsec key resources release in mac802154_llsec_key_del (CVE-2024-26961)

• kernel: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes (CVE-2024-35789)

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

• kernel: hwmon: (mlxreg-fan) Return non-zero value when fan current state is enforced from sysfs (CVE-2021-47393)

• kernel: net/mlx5: Discard command completions in internal error (CVE-2024-38555)

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

• kernel: tls: fix missing memory barrier in tls_init (CVE-2024-36489)

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.