EUVD-2026-55583

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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002019)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002019 advisory. The iucvsockrecvmsg function in net/iucv/afiucv.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtai...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002373)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002373 advisory. The iucvsockrecvmsg function in net/iucv/afiucv.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtai...

Astra Linux – Vulnerability in Linux 6.1

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

DEBIAN-CVE-2024-53210

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...

UBUNTU-CVE-2024-53210

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...

kernel: net/iucv: fix use after free in iucv_sock_close()

A possible use-after-free vulnerability was found in the Linux kernel in iucvsockclose. This issue may lead to a crash or memory corruption...

UBUNTU-CVE-2013-3229

The iucvsockrecvmsg function in net/iucv/afiucv.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to obtain sensitive information from kernel stack memory via a crafted recvmsg or recvfrom system call...