Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142561)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142561 advisory. In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-143082)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-143082 advisory. In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports...

Linux kernel br_multicast_leave_group Heap Buffer Overflow DoS

The vulnerability of the brmulticastleavegroup function in the net/bridge/brmulticast.c module, which is part of the Linux kernel’s networking functions, relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow a remote attacker to compromise the...

CVE-2026-74480 net: bridge: stop fast-leave after deleting a port group

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

CVE-2026-74480: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...

CVE-2026-74480: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: bridge: stop fast-leave after deleting a port group brmulticastleavegroup iterates mp-ports with pp = &p-next in its fast-leave path. After brmulticastdelpg removes p, continuing the loop advances pp through the deleted entr...