kernel: vsock: Update rx_bytes on read_skb()

A flaw was found in the Linux kernel's vsock component. A local attacker can exploit an imbalance in the rxbytes tracking mechanism, specifically after vsocktransport::readskb fails to update the received bytes count when a packet is dequeued. This can lead to a warning message indicating an empt...

SUSE CVE-2024-50169

In the Linux kernel, the following vulnerability has been resolved: vsock: Update rxbytes on readskb Make sure virtiotransportincrxpkt and virtiotransportdecrxpkt calls are balanced i.e. virtiovsocksock::rxbytes doesn't lie after vsocktransport::readskb. While here, also inform the peer that we'v...