In the Linux kernel through 5.3.2, cfg80211_mgd_wext_giwessid in net/wireless/wext-sme.c does not reject a long SSID IE, leading to a Buffer Overflow.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.20 | 5.3.8 |
| linux / linux_kernel | 2.6.32 | 3.16.77 |
| linux / linux_kernel | 3.17 | 4.4.198 |
| linux / linux_kernel | 4.5 | 4.9.198 |
| linux / linux_kernel | 4.10 | 4.14.151 |
| linux / linux_kernel | 4.15 | 4.19.81 |
| debian / debian_linux | 8.0 | 8.0.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 19.04 | 19.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| opensuse / leap | 15.1 | 15.1.x |