CVE-2026-68146: ftrace: Add global mutex to serialize trace_parser access
ftrace: Add global mutex to serialize traceparser access
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.150.1-1 - Compensating control
Ensure trace file descriptors opened in userspace are not shared across multiple threads/processes; each thread should open and use its own ftrace trace file descriptor rather than reusing the same descriptor across concurrent open/write/release operations.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68146?
CVE-2026-68146 has a risk rating of 22.
How do I fix CVE-2026-68146?
To fix CVE-2026-68146, ensure you update your Linux kernel to the latest patched version that addresses the vulnerability.
What impact does CVE-2026-68146 have on system security?
CVE-2026-68146 could allow unauthorized access to trace_parser structures, potentially leading to information leakage or unexpected behavior.
Is CVE-2026-68146 a remote vulnerability?
CVE-2026-68146 is not a remote vulnerability; it requires local access to exploit.
When was CVE-2026-68146 published?
CVE-2026-68146 was published on August 10, 2026.