RHSA-2024:8870 — Security Advisory

An update for kernel-rt is now available for Red Hat Enterprise Linux 8.

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-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

• kernel: net/bluetooth: race condition in conn_info_{min,max}_age_set() (CVE-2024-24857)

• kernel: dmaengine: fix NULL pointer in channel unregistration function (CVE-2023-52492)

• kernel: netfilter: nf_conntrack_h323: Add protection for bmp length out of range (CVE-2024-26851)

• kernel: netfilter: nft_set_pipapo: do not free live element (CVE-2024-26924)

• kernel: netfilter: nft_set_pipapo: walk over current view on netlink dump (CVE-2024-27017)

• kernel: KVM: Always flush async #PF workqueue when vCPU is being destroyed (CVE-2024-26976)

• kernel: nouveau: lock the client object tree. (CVE-2024-27062)

• kernel: netfilter: bridge: replace physindev with physinif in nf_bridge_info (CVE-2024-35839)

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

• kernel: dma-direct: Leak pages on dma_set_decrypted() failure (CVE-2024-35939)

• kernel: net/mlx5e: Fix netif state handling (CVE-2024-38608)

• kernel: r8169: Fix possible ring buffer corruption on fragmented Tx packets. (CVE-2024-38586)

• kernel: of: module: add buffer overflow check in of_modalias() (CVE-2024-38541)

• kernel: bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq (CVE-2024-38540)

• kernel: netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type (CVE-2024-39503)

• kernel: drm/i915/dpt: Make DPT object unshrinkable (CVE-2024-40924)

• kernel: ipv6: prevent possible NULL deref in fib6_nh_init() (CVE-2024-40961)

• kernel: tipc: force a dst refcount before doing decryption (CVE-2024-40983)

• kernel: ACPICA: Revert "ACPICA: avoid Info: mapping multiple BARs. Your kernel is fine." (CVE-2024-40984)

• kernel: xprtrdma: fix pointer derefs in error cases of rpcrdma_ep_create (CVE-2022-48773)

• kernel: bpf: Fix overrunning reservations in ringbuf (CVE-2024-41009)

• kernel: netfilter: nf_tables: prefer nft_chain_validate (CVE-2024-41042)

• kernel: ibmvnic: Add tx check to prevent skb leak (CVE-2024-41066)

• kernel: drm/i915/gt: Fix potential UAF by revoke of fence registers (CVE-2024-41092)

• kernel: drm/amdgpu: avoid using null object of framebuffer (CVE-2024-41093)

• kernel: netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers (CVE-2024-42070)

• kernel: gfs2: Fix NULL pointer dereference in gfs2_log_flush (CVE-2024-42079)

• kernel: USB: serial: mos7840: fix crash on resume (CVE-2024-42244)

• kernel: tipc: Return non-zero value from tipc_udp_addr2str() on error (CVE-2024-42284)

• kernel: kobject_uevent: Fix OOB access within zap_modalias_env() (CVE-2024-42292)

• kernel: dev/parport: fix the array out-of-bounds risk (CVE-2024-42301)

• kernel: block: initialize integrity buffer to zero before writing it to media (CVE-2024-43854)

• kernel: mlxsw: spectrum_acl_erp: Fix object nesting warning (CVE-2024-43880)

• kernel: gso: do not skip outer ip header in case of ipip and net_failover (CVE-2022-48936)

• kernel: padata: Fix possible divide-by-0 panic in padata_mt_helper() (CVE-2024-43889)

• kernel: memcg: protect concurrent access to mem_cgroup_idr (CVE-2024-43892)

• kernel: sctp: Fix null-ptr-deref in reuseport_add_sock(). (CVE-2024-44935)

• kernel: bonding: fix xfrm real_dev null pointer dereference (CVE-2024-44989)

• kernel: bonding: fix null pointer deref in bond_ipsec_offload_ok (CVE-2024-44990)

• kernel: netfilter: flowtable: initialise extack before use (CVE-2024-45018)

• kernel: ELF: fix kernel.randomize_va_space double read (CVE-2024-46826)

• kernel: lib/generic-radix-tree.c: Fix rare race in __genradix_ptr_alloc() (CVE-2024-47668)

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.