CVE-2026-31780
kernel: wifi: wilc1000: fix u8 overflow in SSID scan buffer size calculation
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Severity
ModerateRed Hat Product Security
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