CVE-2022-42722

En el kernel de Linux versiones 5.8 hasta 5.19.14, los atacantes locales capaces de inyectar tramas WLAN en la pila mac80211 podían causar un ataque de denegación de servicio por desreferencia de puntero NULL contra la protección de balizas de los dispositivos P2P

A flaw was found in P2P-Device in wifi in ieee80211_rx_h_decrypt in net/mac80211/rx.c in the Linux kernel, leading to a denial of service.

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.