SB2025080462 - Red Hat Enterprise Linux 9 update for kernel



SB2025080462 - Red Hat Enterprise Linux 9 update for kernel

Published: August 4, 2025

Security Bulletin ID SB2025080462
Severity
Low
Patch available
YES
Number of vulnerabilities 9
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 9 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-21727)

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

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


2) Use-after-free (CVE-ID: CVE-2025-21928)

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

The vulnerability exists due to a use-after-free error within the ishtp_hid_remove() function in drivers/hid/intel-ish-hid/ishtp-hid.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2025-21929)

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

The vulnerability exists due to a use-after-free error within the hid_ishtp_cl_remove() function in drivers/hid/intel-ish-hid/ishtp-hid-client.c. A local user can escalate privileges on the system.


4) Integer overflow (CVE-ID: CVE-2025-21962)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the smb3_fs_context_parse_param() function in fs/smb/client/fs_context.c. A local user can execute arbitrary code.


5) Use-after-free (CVE-ID: CVE-2025-22020)

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

The vulnerability exists due to a use-after-free error within the rtsx_usb_ms_drv_remove() function in drivers/memstick/host/rtsx_usb_ms.c. A local user can escalate privileges on the system.


6) Memory leak (CVE-ID: CVE-2022-49788)

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

The vulnerability exists due to memory leak within the qp_notify_peer_local() and qp_notify_peer() functions in drivers/misc/vmw_vmci/vmci_queue_pair.c. A local user can perform a denial of service (DoS) attack.


7) Use-after-free (CVE-ID: CVE-2025-37890)

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

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


8) Use-after-free (CVE-ID: CVE-2025-38052)

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

The vulnerability exists due to a use-after-free error within the tipc_aead_encrypt() and tipc_aead_encrypt_done() functions in net/tipc/crypto.c. A local user can escalate privileges on the system.


9) 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.