SB2025070927 - Red Hat Enterprise Linux 8 update for kernel-rt
Published: July 9, 2025
Breakdown by Severity
- 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.