Viacheslav Moskvin

A memory corruption issue exists when handling client exceptions, potentially allowing unauthorized channel access.

Name of the Vulnerable Software and Affected Versions: PEAK-System Driver (affected versions not specified) Description: This issue allows local attackers to disclose sensitive information on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system. The flaw exists within the handling of the PCANFD ADD FILTERS IOCTL, resulting from the lack of proper locking when performing operations on an object. This can be leveraged to execute arbitrary code in the context of the kernel. Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

A null pointer dereference exists in the `alloc preauth hash()` function within the ksmbd module. This occurs when a client sends a malformed SMB2 negotiate request, causing ksmbd to return an error response. If the client subsequently sends an SMB2 session setup request while the `preauth info` variable is not allocated, it can trigger a system crash. This issue can be exploited to cause a denial of service.

The issue involves memory corruption due to an untrusted pointer dereference in automotive systems during a system call. This can potentially lead to significant security risks.