CVE-2021-47459

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

CVE-2021-47459

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

CVE-2021-47459 can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

CVE-2021-47459 can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939netdevstart: fix UAF for rxkref of j1939priv It will trigger UAF for rxkref of j1939priv as following. cpu0 cpu1 j1939skbindsocket0, ndev0, ... j1939netdevstart j1939skbindsocket1, ndev0, ... j1939netdevstart...

CVE-2021-47459

CVE-2021-47459 describes a use-after-free in the Linux kernel can: j1939: j1939_netdev_start() related to rx_kref of j1939_priv. The issue arises during j1939_sk_bind and netdev_start when rx_kref is accessed without proper synchronization. Public advisories indicate this is fixed by kernel updat...