Igor Smolyar

**Name of the Vulnerable Software and Affected Versions** Linux kernel ixgbe driver versions before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1 Linux Kernel i40e/i40evf driver versions before e7358f54a3954df16d4f87e3cad35063f1c17de5 DPDK versions before commit 3f12b9f23b6499ff66ec8b0de941fb469297e5d0 Multiple vendor NIC firmware (affected versions not specified) **Description** The issue allows VF's assigned to guests on multiple SR-IOV cards to send ethernet flow control pause frames via the PF. This affects various drivers and firmware. **Recommendations** For Linux kernel ixgbe driver versions before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, update to a version that includes commit f079fa005aae08ee0e1bc32699874ff4f02e11c1 or later. For Linux Kernel i40e/i40evf driver versions before e7358f54a3954df16d4f87e3cad35063f1c17de5, update to a version that includes commit e7358f54a3954df16d4f87e3cad35063f1c17de5 or later. For DPDK versions before commit 3f12b9f23b6499ff66ec8b0de941fb469297e5d0, update to a version that includes commit 3f12b9f23b6499ff66ec8b0de941fb469297e5d0 or later. For Multiple vendor NIC firmware, at the moment, there is no information about a newer version that contains a fix for this vulnerability.