backport-iwlwifi-dkms: A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x befo...
CVE-2022-42719 is fixed in 2 products on 1 platform, first by backport-iwlwifi-dkms 8324-0ubuntu3~20.04.5, released October 13, 2022. It is not reported as exploited. Patch Radar priority: High.
A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| backport-iwlwifi-dkms · Ubuntu 20.04 LTS (focal) | 8324-0ubuntu3~20.04.5 | backport-iwlwifi-dkms 8324-0ubuntu3~20.04.5 | Oct 13, 2022 |
| backport-iwlwifi-dkms · Ubuntu 22.04.1 LTS (jammy) | 9858-0ubuntu3.1 | backport-iwlwifi-dkms 9858-0ubuntu3.1 | Oct 13, 2022 |
| linux · Debian 12.15 (bookworm) | 6.0.2-1 | DEBIAN-CVE-2022-42719 | Oct 13, 2022 |
| linux · Debian 13.5 (trixie) | 6.0.2-1 | DEBIAN-CVE-2022-42719 | Oct 13, 2022 |
| linux · Debian 14 | 6.0.2-1 | DEBIAN-CVE-2022-42719 | Oct 13, 2022 |
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