kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

PT-2021-30469

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.156 Description A use-after-free UAF issue exists in the j1939 netdev start function, specifically affecting the rx kref of j1939 priv. The actual impact and attack plausibility have not yet been proven...

PT-2021-26474

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.156 Description A use-after-free UAF issue exists in the j1939 netdev start function, specifically affecting the rx kref of j1939 priv. The actual impact and attack plausibility have not yet been proven...

PT-2021-26570

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.14.15 Description The issue is related to a use-after-free UAF bug in the j1939 netdev start function, specifically affecting the rx kref of j1939 priv. The actual impact and attack plausibility have not yet...

PT-2021-26291

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.156 Description: A use-after-free UAF issue exists in the j1939 netdev start function, specifically affecting the rx kref of j1939 priv. The actual impact and attack plausibility have not yet been proven...

PT-2024-11453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free vulnerability has been resolved in the Linux kernel, specifically in the j1939 netdev start function. This issue can be triggered when the rx kref of j1939 priv is...