SB2025093040 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel-rt



SB2025093040 - Red Hat Enterprise Linux 7 Extended Lifecycle Support update for kernel-rt

Published: September 30, 2025

Security Bulletin ID SB2025093040
Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2022-48701)

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 snd_usb_parse_audio_interface() function in sound/usb/stream.c. A local user can perform a denial of service (DoS) attack.


2) Memory leak (CVE-ID: CVE-2023-53125)

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

The vulnerability exists due to memory leak within the smsc75xx_rx_fixup() function in drivers/net/usb/smsc75xx.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2022-50229)

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

The vulnerability exists due to a use-after-free error within the bcd2000_init_midi() function in sound/usb/bcd2000/bcd2000.c. A local user can escalate privileges on the system.


4) Use-after-free (CVE-ID: CVE-2022-50211)

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

The vulnerability exists due to a use-after-free error within the raid10_remove_disk() function in drivers/md/raid10.c. A local user can escalate privileges on the system.


5) Integer underflow (CVE-ID: CVE-2025-38200)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the i40e_pf_reset() function in drivers/net/ethernet/intel/i40e/i40e_common.c. A local user can execute arbitrary code.


6) Use-after-free (CVE-ID: CVE-2025-38477)

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

The vulnerability exists due to a use-after-free error within the qfq_change_class(), qfq_delete_class(), qfq_dump_class() and qfq_dump_class_stats() functions in net/sched/sch_qfq.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.