Create patch for CVEs in wpa_supplicant

[Douglas R. Reno]

See message on blfs-support titled "wpa_supplicant security patches"

there are a few CVE patches pending for wpa_supplicant but there's no release in
sight.
This is the list of issues, not sure how serious they are, seems to affect only
Access Points and Peer to Peer (Wi-Fi Direct) uses:

* 2019-7 AP mode PMF disconnection protection bypass
* 2020-1 UPnP SUBSCRIBE misbehavior in hostapd WPS AP
* 2020-2 wpa_supplicant P2P group information processing vulnerability
* 2021-1 wpa_supplicant P2P provision discovery processing vulnerability

[Bruce Dubbs]

Patches are located here:

• ​https://w1.fi/security/2019-7/
• ​https://w1.fi/security/2020-1/
• ​https://w1.fi/security/2020-2/
• ​https://w1.fi/security/2021-1/

[Douglas R. Reno]

These CVEs are known as:

CVE-2019-16275

CVE-2020-12695

CVE-2021-0326

CVE-2021-27803

The patches above do not contain fixes for CVE-2021-30004 or CVE-2021-0535 - ​https://w1.fi/cgit/hostap/commit/?id=a0541334a6394f8237a4393b7372693cd7e96f15 and ​https://w1.fi/cgit/hostap/commit/wpa_supplicant/?id=8ca330bd709bf7c000dfda5b1edbc0cbeabb8b55 should fix those right up.

In total, that's 6 CVEs

[Douglas R. Reno]

Fixed at 7b4961f944cfd8706432b71640868050d8f73b91