CVE-2026-90370
kernel: wifi: mt76: mt7996: bound TLV walk in mt7996_mcu_get_chip_config
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 20, 2026
Description
A flaw was found in the kernel. Specifically, within the mt76 Wi-Fi driver's mt7996_mcu_get_chip_config function, a malformed firmware response containing a zero-length Type-Length-Value (TLV) could cause an infinite loop. This issue occurs during device initialization and can lead to a system hang, resulting in a Denial of Service (DoS).
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-835 · Loop with Unreachable Exit Condition ('Infinite Loop')