EUVD-2026-32379

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: always update mdbnentries for vlan contexts syzbot triggered a warning1 about the number of mdb entries in a context. It turned out that there are multiple ways to trigger that warning today some got added...

CVE-2026-45913

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: always update mdbnentries for vlan contexts syzbot triggered a warning1 about the number of mdb entries in a context. It turned out that there are multiple ways to trigger that warning today some got added...

UBUNTU-CVE-2026-45913

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: always update mdbnentries for vlan contexts syzbot triggered a warning1 about the number of mdb entries in a context. It turned out that there are multiple ways to trigger that warning today some got added...

CVE-2026-45913

In CVE-2026-45913, the Linux kernel fix targets the bridge multicast code: it always updates mdb_n_entries for VLAN contexts instead of conditional increases, addressing a syzbot warning about unbalanced updates. The solution initializes the counter on port-vlan context creation and increments/de...

PT-2026-43780

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the bridge multicast component where the mdb n entries count for VLAN contexts is updated conditionally. This can lead to a state where a decrease operation is perform...

EUVD-2025-201647

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

UBUNTU-CVE-2025-40297

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

CVE-2025-40297

The CVE-2025-40297 fix applies to the Linux kernel net/bridge code. It addresses a use-after-free race that could occur when deleting an expired fdb if MST is enabled. The race happens between ongoing learning and port deletion, where the port state is disabled but MST can bypass the port state, ...

SUSE CVE-2022-49582

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix NULL pointer dereference in dsaportresetvlanfiltering The "ds" iterator variable used in dsaportresetvlanfiltering - dsaswitchforeachport overwrites the "dp" received as argument, which is later used to call...