CVE-2015-1142857 Denial of service in n/a
Virtual functions in SR-IOV environments can send pause frames via the physical function, potentially causing network denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-1142857?
CVE-2015-1142857 is a high-severity denial of service vulnerability in n/a, published on 23 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
On multiple SR-IOV cars it is possible for VF's assigned to guests to send ethernet flow control pause frames via the PF. This includes Linux kernel ixgbe driver before commit f079fa005aae08ee0e1bc32699874ff4f02e11c1, the Linux Kernel i40e/i40evf driver before e7358f54a3954df16d4f87e3cad35063f1c17de5 and the DPDK before commit 3f12b9f23b6499ff66ec8b0de941fb469297e5d0, additionally Multiple vendor NIC firmware is affected.
Weakness: CWE-254
Which versions are affected by CVE-2015-1142857?
It affects 8 products.
Linux distribution packages (9)
kernel-firmware SUSE:Linux Enterprise Desktop 12 SP2 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Desktop 12 SP3 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Server 11 SP4 | All versions | 20110923-0.59.3.1 |
kernel-firmware SUSE:Linux Enterprise Server 12 SP2 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Server 12 SP3 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 20110923-0.59.3.1 |
kernel-firmware SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 20170530-21.19.1 |
kernel-firmware SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 20170530-21.19.1 |
Products include Dpdk Dpdk, Intel 82576 Firmware, Intel 82599 Firmware, Intel I350 Firmware, Intel X540 Firmware, Intel X710 Firmware and 2 more.
How do I fix CVE-2015-1142857?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2015-1142857 being exploited?
There is no known exploitation of CVE-2015-1142857 in the wild and no public exploit code.
Sources
Also known as CVE-2018-1000017, GHSA-f496-vgq6-3hm4, SUSE-SU-2018:0671-1, SUSE-SU-2018:0674-1.