SB2025081804 - Red Hat Enterprise Linux 8 update for kernel-rt

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Main Vulnerability Database SB2025081804

SB2025081804 - Red Hat Enterprise Linux 8 update for kernel-rt

Published: August 18, 2025

Security Bulletin ID SB2025081804
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2025-22097)

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

The vulnerability exists due to a use-after-free error within the vkms_init() and vkms_destroy() functions in drivers/gpu/drm/vkms/vkms_drv.c. A local user can escalate privileges on the system.


2) 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.


3) Use-after-free (CVE-ID: CVE-2025-38250)

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

The vulnerability exists due to a use-after-free error within the DEFINE_IDA(), hci_dev_get(), hci_dev_do_reset(), hci_dev_reset(), hci_alloc_dev_priv() and hci_unregister_dev() functions in net/bluetooth/hci_core.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References