SB2026021201 - Red Hat Enterprise Linux 9 update for kernel
Published: February 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2025-38022)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ib_device_notify_register() and ib_register_device() functions in drivers/infiniband/core/device.c. A local user can escalate privileges on the system.
2) Out-of-bounds read (CVE-ID: CVE-2025-38568)
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 mqprio_parse_opt() function in net/sched/sch_mqprio.c. A local user can perform a denial of service (DoS) attack.
3) Out-of-bounds read (CVE-ID: CVE-2025-40294)
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 parse_adv_monitor_pattern() function in net/bluetooth/mgmt.c. A local user can perform a denial of service (DoS) attack.
4) Out-of-bounds read (CVE-ID: CVE-2025-40322)
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 bit_putcs_aligned() and bit_putcs_unaligned() functions in drivers/video/fbdev/core/bitblit.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.