Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007369)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007369 advisory. In the Linux kernel, the following vulnerability has been resolved: net: appletalk: Fix device refcount leak in atrtrcreate When updating an existing route entry in...

DEBIAN-CVE-2025-38542

In the Linux kernel, the following vulnerability has been resolved: net: appletalk: Fix device refcount leak in atrtrcreate When updating an existing route entry in atrtrcreate, the old device reference was not being released before assigning the new device, leading to a device refcount leak. Fix...

PT-2025-33585

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A device refcount leak exists in the atrtr create function when updating an existing route entry. The old device reference was not released before assigning the new device, resulting i...

UBUNTU-CVE-2022-50043

In the Linux kernel, the following vulnerability has been resolved: net: fix potential refcount leak in ndiscrouterdiscovery The issue happens on specific paths in the function. After both the object rt and neigh are grabbed successfully, when lifetime is nonzero but the metric needs change, the...

DEBIAN-CVE-2025-21766

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear...

UBUNTU-CVE-2025-21766

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in iprtupdatepmtu iprtupdatepmtu must use RCU protection to make sure the net structure it reads does not disappear...

CVE-2025-21766

CVE-2025-21766 concerns the Linux kernel IPv4 path. The issue is in __ip_rt_update_pmtu(), which must use Read-Copy-Update (RCU) protection to ensure the net structure it reads cannot disappear during updates. The available connected documents confirm this vulnerability is tied to incorrect locki...