What’s Vulnerable › Vulnerabilities

CVE-2022-49405: staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-26 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: staging: r8188eu: prevent ->Ssid overflow in rtw_wx_set_scan() This code has a check to prevent read overflow but it needs another check to prevent writing beyond the end of the ->Ssid[] array.

Affected products

• Linux kernel: from 5.15 before 5.15.46; from 5.16 before 5.17.14; from 5.18 before 5.18.3 — fixed in 5.15.46, 5.17.14, 5.18.3

How to fix

Upgrade to a fixed version: Linux kernel 5.15.46, 5.17.14, 5.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/476bfda0be0f9669add92bff604ca78226cf53d1
• https://git.kernel.org/stable/c/ac2eab7de458f5e1210ce1237afab40a307075c8
• https://git.kernel.org/stable/c/bc10916e890948d8927a5c8c40fb5dc44be5e1b8
• https://git.kernel.org/stable/c/c4bd6b72df4f01aa866ceb298466d6d07a6bd525

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