In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 8.8 | High | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Product | Vendor | Version |
|---|---|---|
| Linux | Linux | <= r45p0 |
| Linux | Linux | <= r45p0 |
| Linux | Linux | WCD9375 |
| Linux | Linux | WCD9378 |