RHSA-2024:1367 — Security Advisory

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

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: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)

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

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

• 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: out-of-bounds write in qfq_change_class function (CVE-2023-31436)

• kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (CVE-2023-4459)

• kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)

• kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (CVE-2024-0646)

• kernel: inactive elements in nft_pipapo_walk (CVE-2023-6817)

• kernel: refcount leak in ctnetlink_create_conntrack() (CVE-2023-7192)

Bug Fix(es):

• kernel: out-of-bounds write in qfq_change_class function (JIRA:RHEL-12696)

• kernel: vmxnet3: NULL pointer dereference in vmxnet3_rq_cleanup() (JIRA:RHEL-18194)

• kernel: refcount leak in ctnetlink_create_conntrack() (JIRA:RHEL-20296)

• kernel: inactive elements in nft_pipapo_walk (JIRA:RHEL-20695)

• kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (JIRA:RHEL-22088)

• kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (JIRA:RHEL-18580)

• ipoib mcast lockup fix (JIRA:RHEL-19696)

• dm multipath device suspend deadlocks waiting on a flush request (JIRA:RHEL-19108)

• kernel: Slab-out-of-bound read in compare_netdev_and_ip (JIRA:RHEL-19325)

• kernel: A flaw leading to a use-after-free in area_cache_get() (JIRA:RHEL-19449)

• kernel: vmxgfx: NULL pointer dereference in vmw_cmd_dx_define_query (JIRA:RHEL-22763)

• RHEL 8.5: Backport upstream memory cgroup commits up to v5.12 (JIRA:RHEL-9162)

• kernel: NULL pointer dereference in can_rcv_filter (JIRA:RHEL-19459)

• ceph: several cap and snap fixes (JIRA:RHEL-20906)

• kernel NULL pointer at RIP: 0010:kyber_has_work+0x1c/0x60 (JIRA:RHEL-21782)

• rbd: don't move requests to the running list on errors [8.x] (JIRA:RHEL-24201)