CVE-2026-68397 net/iucv: take a reference on the socket found in afiucv_hs_rcv()

In the Linux kernel, the following vulnerability has been resolved: net/iucv: take a reference on the socket found in afiucvhsrcv afiucvhsrcv looks up the destination socket under iucvsklist.lock, drops the lock, and then passes the socket to the afiucvhscallback handlers without holding a...

PT-2026-61321

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the net/iucv component when recvmsg is called simultaneously with getsockoptSO MSGSIZE. An AF IUCV HIPER user can trigger a NULL pointer dereference because th...

CVE-2024-53210 s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct()

In the Linux kernel, the following vulnerability has been resolved: s390/iucv: MSGPEEK causes memory leak in iucvsockdestruct Passing MSGPEEK flag to skbrecvdatagram increments skb refcount skb-users and iucvsockrecvmsg does not decrement skb refcount at exit. This results in skb memory leak in...