Summary

Security Advisory ID : BSA-2017-423

Component : Kernel

Revision : 2.0: Interim

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queuing.The handling of the might_cancel queuing is not properly protected, so parallel operations on the file descriptor can race with each other and lead to list corruptions or use after free.

Affected Products

Brocade is investigating its product lines to determine which products may be affected by this vulnerability and the impact on each affected product.

Products Confirmed Not Vulnerable

Brocade NetIron OS, Brocade ServerIron ADX, and Brocade Workflow Composer are confirmed not affected by this vulnerability.

Workaround

There are no workarounds that address this vulnerability.

Revision History