CVE-2026-64145
kernel: wifi: wilc1000: fix dma_buffer leak on bus acquire failure
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · July 19, 2026
Updated · October 13, 2026
Description
A flaw was found in the Linux kernel's wilc1000 Wi-Fi driver. This vulnerability occurs during the firmware download process when the system fails to properly acquire the bus. An error in the code's cleanup path causes a Direct Memory Access (DMA) buffer to not be released, resulting in a memory leak. Over time, repeated occurrences of this leak could lead to system instability or a denial of service by exhausting available memory resources.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime