EUVD-2026-55523

In the Linux kernel, the following vulnerability has been resolved: net/afiucv: fix NULL deref in afiucvhscallbacksyn afiucvhscallbacksyn allocates the child socket with GFPATOMIC. If the allocation fails, nsk is NULL. The connection-refused path is entered when the listen state check fails, the...

CVE-2026-68141

In the Linux kernel, the following vulnerability has been resolved: net/afiucv: fix NULL deref in afiucvhscallbacksyn afiucvhscallbacksyn allocates the child socket with GFPATOMIC. If the allocation fails, nsk is NULL. The connection-refused path is entered when the listen state check fails, the...

CVE-2026-68141 net/af_iucv: fix NULL deref in afiucv_hs_callback_syn()

In the Linux kernel, the following vulnerability has been resolved: net/afiucv: fix NULL deref in afiucvhscallbacksyn afiucvhscallbacksyn allocates the child socket with GFPATOMIC. If the allocation fails, nsk is NULL. The connection-refused path is entered when the listen state check fails, the...

EUVD-2026-55522

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...

CVE-2026-68140 net/iucv: fix use-after-free of a severed iucv_path

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...

CVE-2026-68140

CVE-2026-68140 pertains to the Linux kernel net/iucv path handling. The root cause is a use-after-free of a severed iucv_path: af_iucv queues not-yet-received message notifications that hold raw pointers to iucv_path; when the peer severs, iucv_path_free() frees the path but notifications remain ...

CVE-2026-68140

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...

CVE-2026-68140 net/iucv: fix use-after-free of a severed iucv_path

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...

CVE-2026-68139 net/mlx5e: Use sender devcom for MPV master-up

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...

EUVD-2026-55520

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...

CVE-2026-68139

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...

EUVD-2026-55519

In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdiscrtablist against concurrent get/put qdiscgetrtab and qdiscputrtab mutate the process-global singly linked list qdiscrtablist and a plain non-atomic 'int refcnt' with no lock. This was only safe because...

CVE-2026-68138

In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdiscrtablist against concurrent get/put qdiscgetrtab and qdiscputrtab mutate the process-global singly linked list qdiscrtablist and a plain non-atomic 'int refcnt' with no lock. This was only safe because...

CVE-2026-68137

The CVE-2026-68137 entry concerns the Linux kernel net/x25 subsystem and a use-after-free in x25_kill_by_neigh(). The flaw arises when walking the global X.25 socket list under x25_list_lock and then dropping the lock before locking the socket with lock_sock(s). A concurrent close can remove the ...

EUVD-2026-55518

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour. x25listlock protects list membership while the lookup is in progress, but it...

CVE-2026-68137

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour. x25listlock protects list membership while the lookup is in progress, but it...

CVE-2026-68137 net/x25: fix use-after-free in x25_kill_by_neigh()

In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free in x25killbyneigh x25killbyneigh walks the global X.25 socket list looking for sockets attached to a terminating neighbour. x25listlock protects list membership while the lookup is in progress, but it...

EUVD-2026-55517

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 "net-gro: Fix GRO flush when receiving a GSO packet." added a flush check to skbgroreceive, but skbgroreceivelist lacks the same validation. As a result,...

CVE-2026-68136

In the Linux kernel CVE-2026-68136, the vulnerability stems from net: gro where skb_gro_receive_list() lacked a flush validation present in skb_gro_receive(), allowing already-GRO’d packets with a frag_list to be re-aggregated into a new GRO session. This can corrupt the frag_list chain and lead ...

CVE-2026-68136

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 "net-gro: Fix GRO flush when receiving a GSO packet." added a flush check to skbgroreceive, but skbgroreceivelist lacks the same validation. As a result,...