Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handling NETDEVPRETYPECHANGE. The function lapbethdatatransmit expects that the underlying device type is ARPHRDETHER. Returning NOTIFYBAD from the function lapbethdeviceevent ensures that the bonding driver canno...

CVE-2026-43103: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2023-52784 bonding: stop the device in bond_setup_by_slave()

In the Linux kernel, the following vulnerability has been resolved: bonding: stop the device in bondsetupbyslave Commit 9eed321cde22 "net: lapbether: only support ethernet devices" has been able to keep syzbot away from net/lapb, until today. In the following splat 1, the issue is that a lapbethe...

CVE-2023-52784 bonding: stop the device in bond_setup_by_slave()

In the Linux kernel, the following vulnerability has been resolved: bonding: stop the device in bondsetupbyslave Commit 9eed321cde22 "net: lapbether: only support ethernet devices" has been able to keep syzbot away from net/lapb, until today. In the following splat 1, the issue is that a lapbethe...