RHSA-2024:4554 — 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 Important. 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: tls: race between tx work scheduling and socket close (CVE-2024-26585)

• kernel: vt: fix memory overlapping when deleting chars in the buffer (CVE-2022-48627)

• kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock (CVE-2023-52638)

• kernel: mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again (CVE-2024-26720)

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

• kernel: mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index (CVE-2024-26783)

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

• kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

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

• kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)

• kernel: ipv6: fix race condition between ipv6_get_ifaddr and ipv6_del_addr (CVE-2024-35969)

• kernel: netfilter: nf_tables: honor table dormant flag from netdev release event path (CVE-2024-36005)

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

• kernel: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() (CVE-2024-36016)

• kernel: net: hns3: fix use-after-free bug in hclgevf_send_mbx_msg (CVE-2021-47596)

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.