CVE-2022-46174 – Race condition during concurrent TLS mounts in efs-utils

https://notcve.org/view.php?id=CVE-2022-46174

efs-utils is a set of Utilities for Amazon Elastic File System (EFS). A potential race condition issue exists within the Amazon EFS mount helper in efs-utils versions v1.34.3 and below. When using TLS to mount file systems, the mount helper allocates a local port for stunnel to receive NFS connections prior to applying the TLS tunnel. In affected versions, concurrent mount operations can allocate the same local port, leading to either failed mount operations or an inappropriate mapping from an EFS customer’s local mount points to that customer’s EFS file systems. This issue is patched in version v1.34.4. • https://github.com/aws/efs-utils/commit/f3a8f88167d55caa2f78aeb72d4dc1987a9ed62d https://github.com/aws/efs-utils/issues/125 https://github.com/aws/efs-utils/security/advisories/GHSA-4fv8-w65m-3932 https://access.redhat.com/security/cve/CVE-2022-46174 https://bugzilla.redhat.com/show_bug.cgi?id=2158266 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •