SB2025072808 - Red Hat Enterprise Linux 9 update for kernel
Published: July 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 16 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2024-26660)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the dcn301_stream_encoder_create() function in drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c. A local user can perform a denial of service (DoS) attack.
2) Improper locking (CVE-ID: CVE-2021-47185)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the flush_to_ldisc() function in drivers/tty/tty_buffer.c. A local user can perform a denial of service (DoS) attack.
3) Improper error handling (CVE-ID: CVE-2024-27025)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the nbd_genl_status() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2023-52835)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the rb_alloc_aux() function in kernel/events/ring_buffer.c. A local user can perform a denial of service (DoS) attack.
5) Buffer overflow (CVE-ID: CVE-2024-41039)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the cs_dsp_adsp1_parse_sizes(), cs_dsp_adsp2_parse_sizes(), cs_dsp_load() and cs_dsp_buf_free() functions in drivers/firmware/cirrus/cs_dsp.c. A local user can escalate privileges on the system.
6) Memory leak (CVE-ID: CVE-2024-41065)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the alloc_dispatch_log_kmem_cache() function in arch/powerpc/platforms/pseries/setup.c. A local user can perform a denial of service (DoS) attack.
7) Resource management error (CVE-ID: CVE-2024-42226)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the handle_tx_event() function in drivers/usb/host/xhci-ring.c. A local user can perform a denial of service (DoS) attack.
8) Improper locking (CVE-ID: CVE-2024-50082)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the rq_qos_wake_function() function in block/blk-rq-qos.c. A local user can perform a denial of service (DoS) attack.
9) Out-of-bounds read (CVE-ID: CVE-2024-50074)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the do_active_device(), do_autoprobe(), do_hardware_base_addr(), do_hardware_irq(), do_hardware_dma() and do_hardware_modes() functions in drivers/parport/procfs.c. A local user can perform a denial of service (DoS) attack.
10) Use-after-free (CVE-ID: CVE-2025-21887)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ovl_link_up() function in fs/overlayfs/copy_up.c. A local user can escalate privileges on the system.
11) Buffer overflow (CVE-ID: CVE-2025-21905)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the iwl_parse_tlv_firmware() function in drivers/net/wireless/intel/iwlwifi/iwl-drv.c. A local user can perform a denial of service (DoS) attack.
12) Improper locking (CVE-ID: CVE-2025-22113)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the ext4_handle_error(), ext4_put_super() and ext4_load_and_init_journal() functions in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.
13) Out-of-bounds read (CVE-ID: CVE-2025-22104)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the vnic_add_client_data(), send_login(), handle_query_ip_offload_rsp() and handle_login_rsp() functions in drivers/net/ethernet/ibm/ibmvnic.c. A local user can perform a denial of service (DoS) attack.
14) Buffer overflow (CVE-ID: CVE-2025-37803)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the udmabuf_create() function in drivers/dma-buf/udmabuf.c. A local user can perform a denial of service (DoS) attack.
15) NULL pointer dereference (CVE-ID: CVE-2025-38089)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the svc_process_common() function in net/sunrpc/svc.c. A local user can perform a denial of service (DoS) attack.
16) Use-after-free (CVE-ID: CVE-2025-38087)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the taprio_dev_notifier() function in net/sched/sch_taprio.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.