CVE Database›Document archive›CVE-2026-31780

CVE-2026-31780

kernel: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation

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Severity

Moderate

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · May 1, 2026

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel's wilc1000 Wi-Fi driver. An integer overflow vulnerability exists in the calculation of the SSID scan buffer size. This can lead to a heap buffer overflow when processing multiple Service Set Identifiers (SSIDs), potentially allowing a local attacker to cause a denial of service or execute arbitrary code.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-190 · Integer Overflow or Wraparound