SB2025070927 - Red Hat Enterprise Linux 8 update for kernel-rt 



SB2025070927 - Red Hat Enterprise Linux 8 update for kernel-rt

Published: July 9, 2025

Security Bulletin ID SB2025070927
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-2022-49111)

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

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


2) Use-after-free (CVE-ID: CVE-2022-49136)

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

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


3) Out-of-bounds read (CVE-ID: CVE-2022-49846)

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 udf_find_entry() function in fs/udf/namei.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.