diff options
| author | Hyunwoo Kim <[email protected]> | 2024-10-22 09:32:56 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin <[email protected]> | 2024-11-06 03:30:20 -0500 |
| commit | 6ca575374dd9a507cdd16dfa0e78c2e9e20bd05f (patch) | |
| tree | e7d9904448ad0b990b8cc137ea746ab88eb3b89b | |
| parent | 59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff) | |
vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans
During loopback communication, a dangling pointer can be created in
vsk->trans, potentially leading to a Use-After-Free condition. This
issue is resolved by initializing vsk->trans to NULL.
Cc: stable <[email protected]>
Fixes: 06a8fc78367d ("VSOCK: Introduce virtio_vsock_common.ko")
Signed-off-by: Hyunwoo Kim <[email protected]>
Signed-off-by: Wongi Lee <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Message-Id: <2024102245-strive-crib-c8d3@gregkh>
Signed-off-by: Michael S. Tsirkin <[email protected]>
| -rw-r--r-- | net/vmw_vsock/virtio_transport_common.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index ccbd2bc0d210..fc5666c8298f 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -1109,6 +1109,7 @@ void virtio_transport_destruct(struct vsock_sock *vsk) struct virtio_vsock_sock *vvs = vsk->trans; kfree(vvs); + vsk->trans = NULL; } EXPORT_SYMBOL_GPL(virtio_transport_destruct); |