(RHSA-2024:0461) Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

• kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)

• kernel: use after free in unix_stream_sendpage (CVE-2023-4622)

• kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

• kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

• kernel: vmwgfx: reference count issue leads to use-after-free in surface handling (CVE-2023-5633)

• kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)

• kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)

• kernel: vmwgfx: integer overflow in vmwgfx_execbuf.c (CVE-2022-36402)

• kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)

• kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)

• kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)

• kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)

• kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)

• kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)

• kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)

• kernel: SEV-ES local priv escalation (CVE-2023-46813)

• kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c (CVE-2023-6679)

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.