CVE-2023-53136 af_unix: fix struct pid leaks in OOB support

In the Linux kernel, the following vulnerability has been resolved: afunix: fix struct pid leaks in OOB support syzbot reported struct pid leak 1. Issue is that queueoob calls maybeaddcreds which potentially holds a reference on a pid. But skb-destructor is not set either directly or by calling...

CVE-2024-36972

In the Linux kernel, the following vulnerability has been resolved: afunix: Update unixsksk-oobskb under skreceivequeue lock. Billy Jheng Bing-Jhong reported a race between unixgc and queueoob. unixgc tries to garbage-collect closed inflight sockets, and then if the socket has MSGOOB in...

CVE-2023-52772 af_unix: fix use-after-free in unix_stream_read_actor()

In the Linux kernel, the following vulnerability has been resolved: afunix: fix use-after-free in unixstreamreadactor syzbot reported the following crash 1 After releasing unix socket lock, u-oobskb can be changed by another thread. We must temporarily increase skb refcount to make sure this othe...