SB2025050615 - Red Hat Enterprise Linux 9 update for kernel
Published: May 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 9 secuirty vulnerabilities.
1) Improper check for unusual or exceptional conditions (CVE-ID: CVE-2024-25739)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper check for unusual or exceptional conditions error within the ubi_read_volume_table() function in drivers/mtd/ubi/vtbl.c. A local user can perform a denial of service (DoS) attack.
2) Resource management error (CVE-ID: CVE-2024-27056)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the iwl_mvm_sta_ensure_queue() function in drivers/net/wireless/intel/iwlwifi/mvm/sta.c, within the __iwl_mvm_suspend() function in drivers/net/wireless/intel/iwlwifi/mvm/d3.c. A local user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2024-35855)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mlxsw_sp_acl_tcam_ventry_activity_get() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c. A local user can escalate privileges on the system.
4) NULL pointer dereference (CVE-ID: CVE-2021-47386)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the w83791d_detect_subclients() function in drivers/hwmon/w83791d.c. A local user can perform a denial of service (DoS) attack.
5) Use-after-free (CVE-ID: CVE-2023-52803)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the rpc_clnt_remove_pipedir() and rpc_setup_pipedir() functions in net/sunrpc/clnt.c. A local user can escalate privileges on the system.
6) Resource management error (CVE-ID: CVE-2024-42322)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ip_vs_add_service() function in net/netfilter/ipvs/ip_vs_ctl.c. A local user can perform a denial of service (DoS) attack.
7) Memory leak (CVE-ID: CVE-2024-43871)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the EXPORT_SYMBOL_GPL() function in drivers/base/devres.c. A local user can perform a denial of service (DoS) attack.
8) Input validation error (CVE-ID: CVE-2024-47745)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the SYSCALL_DEFINE5() function in mm/mmap.c. A local user can perform a denial of service (DoS) attack.
9) Buffer overflow (CVE-ID: CVE-2025-21927)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the nvme_tcp_queue_id() and nvme_tcp_recv_pdu() functions in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.