CVE-2026-19184 Zephyr ADC - Buffer Overflow

NXP GAU ADC driver in Zephyr with CONFIG_USERSPACE=y contains a buffer overflow caused by improper validation of buffer_size against active channels, letting user-mode attackers with ADC device access cause kernel memory corruption or privilege escalation, exploit requires user-mode access to ADC device.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.10% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Privilege Escalation, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Published
5 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to a version including adc_sequence_validate_buffer() fix and correct buffer size handling.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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