CVE-2019-11135 : What You Need to Know

Authenticated users may exploit the TSX Asynchronous Abort condition on certain CPUs, potentially leading to information disclosure through a side channel.

Understanding CVE-2019-11135

This CVE involves the TSX Asynchronous Abort condition on CPUs using speculative execution, allowing authenticated users to potentially disclose information.

What is CVE-2019-11135?

TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access.

The Impact of CVE-2019-11135

Authenticated users can exploit the TSX Asynchronous Abort condition on certain CPUs using speculative execution.
This exploitation could lead to the disclosure of information through a side channel, provided that the user has local access.

Technical Details of CVE-2019-11135

This section provides more technical insights into the vulnerability.

Vulnerability Description

Authenticated users may exploit the TSX Asynchronous Abort condition on certain CPUs that use speculative execution.
This exploitation could lead to the disclosure of information through a side channel.

Affected Systems and Versions

Product: 2019.2 IPU – TSX Asynchronous Abort
Vendor: n/a
Versions: See provided reference

Exploitation Mechanism

The vulnerability allows authenticated users to exploit the TSX Asynchronous Abort condition on CPUs using speculative execution.

Mitigation and Prevention

Protecting systems from CVE-2019-11135 is crucial. Here are some steps to consider:

Immediate Steps to Take

Apply patches and updates provided by the relevant vendors.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update and patch systems to ensure they are protected against known vulnerabilities.
Implement strong access controls and authentication mechanisms to prevent unauthorized access.
Educate users on security best practices to minimize the risk of exploitation.

Patching and Updates

Stay informed about security advisories and updates from vendors to apply patches promptly.