CVE-2026-90378
kernel: wifi: mt76: mt792x: Fix memory leak in SDIO TX path
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 6, 2026
Description
A flaw was found in the Linux kernel's mt76 wireless driver, specifically in the mt792x SDIO TX path. When the tx_prepare_skb() function fails to prepare a socket buffer (skb) for transmission, the skb is not properly released. This memory leak can lead to resource exhaustion, potentially causing a denial of service (DoS) for the system.
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