CVE-2026-80902
kernel: dmaengine: sun6i-dma: Fix reclaim descriptors while terminating DMA
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 4, 2026
Updated · October 8, 2026
Description
A flaw was found in the Linux kernel's sun6i-dma component. When Direct Memory Access (DMA) transfers are terminated, active descriptors are not correctly reclaimed. This issue leads to a permanent memory leak and can also cause corruption of internal data structures within the kernel.
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