SB2026031110 - Red Hat Enterprise Linux 9 update for kernel-rt
Published: March 11, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2025-37882)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the handle_tx_event() function in drivers/usb/host/xhci-ring.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2025-38129)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the page_pool_ethtool_stats_get(), page_pool_return_page() and page_pool_scrub() functions in net/core/page_pool.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.