CVE-2026-98633
kernel: Bluetooth: btnxpuart: Fix skb leak in nxp_process_fw_dump()
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 22, 2026
Description
A flaw was found in the Linux kernel's Bluetooth NXP UART driver, which can lead to a Denial of Service (DoS). When device coredump support is disabled in the kernel configuration, handling firmware dump data fails to release cloned socket buffers upon encountering an unsupported operation error. A local attacker capable of triggering firmware dumps can exploit this behavior to exhaust kernel memory and prevent device recovery, leaving the Bluetooth interface unresponsive.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 1.9CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE-772 · Missing Release of Resource after Effective Lifetime