SB2025101570 - Red Hat Enterprise Linux 9 update for kernel-rt
Published: October 15, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2025-37823)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the hfsc_dequeue() function in net/sched/sch_hfsc.c. A local user can perform a denial of service (DoS) attack.
2) 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.
3) Use-after-free (CVE-ID: CVE-2025-37914)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cl_is_active() and ets_qdisc_enqueue() functions in net/sched/sch_ets.c. A local user can escalate privileges on the system.
4) Use-after-free (CVE-ID: CVE-2022-50087)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the scpi_init_versions() and scpi_probe() functions in drivers/firmware/arm_scpi.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) Improper privilege management (CVE-ID: CVE-2025-38498)
The vulnerability allows a local user to read and manipulate data.
The vulnerability exists due to improperly imposed permissions within the do_change_type() function in fs/namespace.c. A local user can read and manipulate data.
7) Use-after-free (CVE-ID: CVE-2025-38527)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cifs_oplock_break() and cifs_put_tlink() functions in fs/smb/client/file.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.