RHSA-2024:4533 — Security Advisory

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

Security Fix(es):

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

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

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

• 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: tls: race between async notify and socket close (CVE-2024-26583)

• kernel: tls: race between tx work scheduling and socket close (CVE-2024-26585)

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

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

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

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

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

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

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.