SB2025092501 - Red Hat Enterprise Linux 9 update for kernel
Published: September 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-50121)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nfs4_state_shutdown_net() function in fs/nfsd/nfs4state.c. A local user can escalate privileges on the system.
2) Memory leak (CVE-ID: CVE-2025-22058)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the udp_skb_has_head_state(), udp_rmem_release(), EXPORT_SYMBOL_GPL() and first_packet_length() functions in net/ipv4/udp.c. A local user can perform a denial of service (DoS) attack.
3) Out-of-bounds read (CVE-ID: CVE-2025-37810)
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 dwc3_check_event_buf() function in drivers/usb/dwc3/gadget.c. A local user can perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2025-38211)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the EXPORT_SYMBOL(), destroy_cm_id() and cm_work_handler() functions in drivers/infiniband/core/iwcm.c. A local user can escalate privileges on the system.
5) Improper locking (CVE-ID: CVE-2025-38461)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the EXPORT_SYMBOL_GPL() and vsock_assign_transport() functions in net/vmw_vsock/af_vsock.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.