SB20240717121 - Red Hat Enterprise Linux 9 update for kernel



SB20240717121 - Red Hat Enterprise Linux 9 update for kernel

Published: July 17, 2024

Security Bulletin ID SB20240717121
Severity
High
Patch available
YES
Number of vulnerabilities 17
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 6% Low 94%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 17 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2024-36886)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.


2) Buffer overflow (CVE-ID: CVE-2021-47548)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the hns_dsaf_ge_srst_by_port() function in drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2021-47596)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the hclgevf_send_mbx_msg() function in drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c. A local user can escalate privileges on the system.


4) Resource exhaustion (CVE-ID: CVE-2022-48627)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A local user can trigger resource exhaustion and perform a denial of service (DoS) attack.


5) Improper locking (CVE-ID: CVE-2023-52638)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the j1939_jsk_add(), j1939_sk_recv_match(), j1939_sk_recv(), j1939_sk_errqueue() and j1939_sk_netdev_event_netdown() functions in net/can/j1939/socket.c, within the j1939_netdev_start() function in net/can/j1939/main.c. A local user can perform a denial of service (DoS) attack.


6) Resource management error (CVE-ID: CVE-2024-26783)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the numamigrate_isolate_page() function in mm/migrate.c. A local user can perform a denial of service (DoS) attack.


7) NULL pointer dereference (CVE-ID: CVE-2024-26858)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the mlx5e_txwqe_complete() function in drivers/net/ethernet/mellanox/mlx5/core/en_tx.c. A local user can perform a denial of service (DoS) attack.


8) Improper locking (CVE-ID: CVE-2024-27397)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the __nft_rbtree_insert(), nft_rbtree_deactivate() and nft_rbtree_gc() functions in net/netfilter/nft_set_rbtree.c, within the pipapo_get(), nft_pipapo_get(), nft_pipapo_insert(), pipapo_gc() and pipapo_deactivate() functions in net/netfilter/nft_set_pipapo.c, within the nft_rhash_key(), nft_rhash_cmp(), nft_rhash_lookup(), nft_rhash_get(), nft_rhash_update(), nft_rhash_insert() and nft_rhash_deactivate() functions in net/netfilter/nft_set_hash.c, within the nft_trans_gc_catchall_sync() and nf_tables_valid_genid() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.


9) Improper locking (CVE-ID: CVE-2024-27435)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the nvme_alloc_admin_tag_set() and nvme_alloc_io_tag_set() functions in drivers/nvme/host/core.c. A local user can perform a denial of service (DoS) attack.


10) Resource management error (CVE-ID: CVE-2024-35958)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to resource management error within the ena_unmap_tx_buff() and ena_free_tx_bufs() functions in drivers/net/ethernet/amazon/ena/ena_netdev.c. A local user can perform a denial of service (DoS) attack.


11) Use-after-free (CVE-ID: CVE-2024-36904)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the tcp_twsk_unique() function in net/ipv4/tcp_ipv4.c. A local user can escalate privileges on the system.


12) NULL pointer dereference (CVE-ID: CVE-2024-38543)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the dmirror_device_evict_chunk() function in lib/test_hmm.c. A local user can perform a denial of service (DoS) attack.


13) Buffer overflow (CVE-ID: CVE-2024-38586)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the rtl8169_doorbell() and rtl8169_start_xmit() functions in drivers/net/ethernet/realtek/r8169_main.c. A local user can perform a denial of service (DoS) attack.


14) Improper Initialization (CVE-ID: CVE-2024-38593)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper initialization within the lan8841_suspend() function in drivers/net/phy/micrel.c. A local user can perform a denial of service (DoS) attack.


15) NULL pointer dereference (CVE-ID: CVE-2024-36270)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the nf_tproxy_laddr4() function in net/ipv4/netfilter/nf_tproxy_ipv4.c. A local user can perform a denial of service (DoS) attack.


16) Off-by-one (CVE-ID: CVE-2024-36957)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to an off-by-one error within the rvu_dbg_qsize_write() function in drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c. A local user can perform a denial of service (DoS) attack.


17) Buffer overflow (CVE-ID: CVE-2024-38663)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the spin_unlock_irq(), blkcg_reset_stats() and blkg_conf_exit() functions in block/blk-cgroup.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.