RHSA-2024:4740 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.8 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 packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: Use after free bug in btsdio_remove due to race condition (CVE-2023-1989)

• kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability (CVE-2023-4155)

• kernel: kvm: Avoid potential UAF in LPI translation cache (CVE-2024-26598)

• kernel: wifi: mac80211: fix potential key use-after-free (CVE-2023-52530)

• kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656)

• kernel: KVM: s390: vsie: fix race during shadow creation (CVE-2023-52639)

• kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735)

• kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804)

• kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset (CVE-2024-26801)

• kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397)

• kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667)

• kernel: wifi: cfg80211: check A-MSDU format more carefully (CVE-2024-35937)

• kernel: net/mlx5: Properly link new fs rules into the tree (CVE-2024-35960)

• kernel: net: ena: Fix incorrect descriptor free behavior (CVE-2024-35958)

• kernel: net: qcom/emac: fix UAF in emac_remove (CVE-2021-47311)

• kernel: net: ti: fix UAF in tlan_remove_one (CVE-2021-47310)

• kernel: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() (CVE-2021-47548)

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.